157097593 has 4 divisors (see below), whose sum is σ = 157238608. Its totient is φ = 156956580.

The previous prime is 157097587. The next prime is 157097621. The reversal of 157097593 is 395790751.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 395790751 = 1201 ⋅329551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157097593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157097543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68823 + ... + 71068.

It is an arithmetic number, because the mean of its divisors is an integer number (39309652).

Almost surely, 2^157097593 is an apocalyptic number.

It is an amenable number.

157097593 is a deficient number, since it is larger than the sum of its proper divisors (141015).

157097593 is a wasteful number, since it uses less digits than its factorization.

157097593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141014.

The product of its (nonzero) digits is 297675, while the sum is 46.

The square root of 157097593 is about 12533.8578657969. The cubic root of 157097593 is about 539.5808281109.

The spelling of 157097593 in words is "one hundred fifty-seven million, ninety-seven thousand, five hundred ninety-three".