1625355045 has 32 divisors (see below), whose sum is σ = 2893228800. Its totient is φ = 865743552.

The previous prime is 1625354999. The next prime is 1625355071. The reversal of 1625355045 is 5405535261.

1625355045 is a `hidden beast` number, since 1 + 62 + 5 + 3 + 550 + 45 = 666.

It is not a de Polignac number, because 1625355045 - 2¹⁵ = 1625322277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103791 + ... + 118419.

It is an arithmetic number, because the mean of its divisors is an integer number (90413400).

Almost surely, 2^1625355045 is an apocalyptic number.

1625355045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1625355045 is a deficient number, since it is larger than the sum of its proper divisors (1267873755).

1625355045 is a wasteful number, since it uses less digits than its factorization.

1625355045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15466 (or 15460 counting only the distinct ones).

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

The square root of 1625355045 is about 40315.6922922080. The cubic root of 1625355045 is about 1175.7529611764.

The spelling of 1625355045 in words is "one billion, six hundred twenty-five million, three hundred fifty-five thousand, forty-five".