1575625248 has 54 divisors (see below), whose sum is σ = 4482600759. Its totient is φ = 524983872.

The previous prime is 1575625243. The next prime is 1575625253. The reversal of 1575625248 is 8425265751.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1575625248 is a `hidden beast` number, since 15 + 7 + 5 + 625 + 2 + 4 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1575625243) and next prime (1575625253).

It can be written as a sum of positive squares in only one way, i.e., 787812624 + 787812624 = 28068^2 + 28068^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=28068.

It is not an unprimeable number, because it can be changed into a prime (1575625241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 672463 + ... + 674801.

Almost surely, 2^1575625248 is an apocalyptic number.

1575625248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1575625248 is an abundant number, since it is smaller than the sum of its proper divisors (2906975511).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1575625248 is an frugal number, since it uses more digits than its factorization.

1575625248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694 (or 2344 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 1575625248 is about 39694.1462686880. The cubic root of 1575625248 is about 1163.6373263427.

The spelling of 1575625248 in words is "one billion, five hundred seventy-five million, six hundred twenty-five thousand, two hundred forty-eight".