157325081 has 2 divisors, whose sum is σ = 157325082. Its totient is φ = 157325080.

The previous prime is 157325071. The next prime is 157325099. The reversal of 157325081 is 180523751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157276681 + 48400 = 12541^2 + 220^2 .

It is an emirp because it is prime and its reverse (180523751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157325081 is a prime.

It is a super-2 number, since 2×157325081² = 49502362223313122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157325011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78662540 + 78662541.

It is an arithmetic number, because the mean of its divisors is an integer number (78662541).

Almost surely, 2^157325081 is an apocalyptic number.

It is an amenable number.

157325081 is a deficient number, since it is larger than the sum of its proper divisors (1).

157325081 is an equidigital number, since it uses as much as digits as its factorization.

157325081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 157325081 is about 12542.9295222448. The cubic root of 157325081 is about 539.8411524089.

The spelling of 157325081 in words is "one hundred fifty-seven million, three hundred twenty-five thousand, eighty-one".