157075025 has 6 divisors (see below), whose sum is σ = 194773062. Its totient is φ = 125660000.

The previous prime is 157075007. The next prime is 157075031. The reversal of 157075025 is 520570751.

It can be written as a sum of positive squares in 3 ways, for example, as 10010896 + 147064129 = 3164^2 + 12127^2 .

It is not a de Polignac number, because 157075025 - 2⁶ = 157074961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 157074982 and 157075000.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3141476 + ... + 3141525.

It is an arithmetic number, because the mean of its divisors is an integer number (32462177).

Almost surely, 2^157075025 is an apocalyptic number.

It is an amenable number.

157075025 is a deficient number, since it is larger than the sum of its proper divisors (37698037).

157075025 is an equidigital number, since it uses as much as digits as its factorization.

157075025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283011 (or 6283006 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 157075025 is about 12532.9575519907. The cubic root of 157075025 is about 539.5549888793.

The spelling of 157075025 in words is "one hundred fifty-seven million, seventy-five thousand, twenty-five".