975322157 has 2 divisors, whose sum is σ = 975322158. Its totient is φ = 975322156.

The previous prime is 975322067. The next prime is 975322163. The reversal of 975322157 is 751223579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 975063076 + 259081 = 31226^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 975322157 - 2¹⁰ = 975321133 is a prime.

It is a super-3 number, since 3×975322157³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975328157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487661078 + 487661079.

It is an arithmetic number, because the mean of its divisors is an integer number (487661079).

Almost surely, 2^975322157 is an apocalyptic number.

It is an amenable number.

975322157 is a deficient number, since it is larger than the sum of its proper divisors (1).

975322157 is an equidigital number, since it uses as much as digits as its factorization.

975322157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 41.

The square root of 975322157 is about 31230.1482065007. The cubic root of 975322157 is about 991.7054428764.

The spelling of 975322157 in words is "nine hundred seventy-five million, three hundred twenty-two thousand, one hundred fifty-seven".