97000157 has 4 divisors (see below), whose sum is σ = 100345020. Its totient is φ = 93655296.

The previous prime is 97000153. The next prime is 97000171. The reversal of 97000157 is 75100079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75100079 = 5843 ⋅12853.

It can be written as a sum of positive squares in 2 ways, for example, as 81468676 + 15531481 = 9026^2 + 3941^2 .

It is a cyclic number.

It is not a de Polignac number, because 97000157 - 2² = 97000153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 3344833 = 97000157 / (9 + 7 + 0 + 0 + 0 + 1 + 5 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97000153) 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, 1672388 + ... + 1672445.

It is an arithmetic number, because the mean of its divisors is an integer number (25086255).

Almost surely, 2^97000157 is an apocalyptic number.

It is an amenable number.

97000157 is a deficient number, since it is larger than the sum of its proper divisors (3344863).

97000157 is a wasteful number, since it uses less digits than its factorization.

97000157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344862.

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 97000157 is about 9848.8657722603. The cubic root of 97000157 is about 459.4703371134.

The spelling of 97000157 in words is "ninety-seven million, one hundred fifty-seven", and thus it is an aban number.