157051025 has 12 divisors (see below), whose sum is σ = 195988572. Its totient is φ = 124837440.

The previous prime is 157051019. The next prime is 157051039. The reversal of 157051025 is 520150751.

It is a happy number.

It is a Cunningham number, because it is equal to 12532²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 12306064 + 144744961 = 3508^2 + 12031^2 .

It is not a de Polignac number, because 157051025 - 2⁴ = 157051009 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157050985 and 157051003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16082 + ... + 23931.

It is an arithmetic number, because the mean of its divisors is an integer number (16332381).

Almost surely, 2^157051025 is an apocalyptic number.

It is an amenable number.

157051025 is a deficient number, since it is larger than the sum of its proper divisors (38937547).

157051025 is a wasteful number, since it uses less digits than its factorization.

157051025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40180 (or 40175 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 157051025 is about 12532.0000398979. Note that the first 4 decimals coincide. The cubic root of 157051025 is about 539.5275073635.

The spelling of 157051025 in words is "one hundred fifty-seven million, fifty-one thousand, twenty-five".