157525801 has 2 divisors, whose sum is σ = 157525802. Its totient is φ = 157525800.

The previous prime is 157525747. The next prime is 157525807. The reversal of 157525801 is 108525751.

157525801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157477401 + 48400 = 12549^2 + 220^2 .

It is an emirp because it is prime and its reverse (108525751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157525801 - 2¹¹ = 157523753 is a prime.

It is not a weakly prime, because it can be changed into another prime (157525807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78762900 + 78762901.

It is an arithmetic number, because the mean of its divisors is an integer number (78762901).

Almost surely, 2^157525801 is an apocalyptic number.

It is an amenable number.

157525801 is a deficient number, since it is larger than the sum of its proper divisors (1).

157525801 is an equidigital number, since it uses as much as digits as its factorization.

157525801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 34.

The square root of 157525801 is about 12550.9282923615. The cubic root of 157525801 is about 540.0706366216.

Subtracting from 157525801 its reverse (108525751), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 157525801 in words is "one hundred fifty-seven million, five hundred twenty-five thousand, eight hundred one".