1625253552 has 80 divisors (see below), whose sum is σ = 5023949280. Its totient is φ = 500076288.

The previous prime is 1625253551. The next prime is 1625253569. The reversal of 1625253552 is 2553525261.

1625253552 is a `hidden beast` number, since 1 + 6 + 2 + 52 + 53 + 552 = 666.

1625253552 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1625253551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139083 + ... + 150314.

It is an arithmetic number, because the mean of its divisors is an integer number (62799366).

Almost surely, 2^1625253552 is an apocalyptic number.

1625253552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1625253552 is an abundant number, since it is smaller than the sum of its proper divisors (3398695728).

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

1625253552 is a wasteful number, since it uses less digits than its factorization.

1625253552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289427 (or 289415 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 1625253552 is about 40314.4335443275. The cubic root of 1625253552 is about 1175.7284879227.

The spelling of 1625253552 in words is "one billion, six hundred twenty-five million, two hundred fifty-three thousand, five hundred fifty-two".