231227597 has 2 divisors, whose sum is σ = 231227598. Its totient is φ = 231227596.

The previous prime is 231227551. The next prime is 231227599. The reversal of 231227597 is 795722132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215179561 + 16048036 = 14669^2 + 4006^2 .

It is a cyclic number.

It is not a de Polignac number, because 231227597 - 2¹² = 231223501 is a prime.

It is a super-2 number, since 2×231227597² = 106932403228788818, which contains 22 as substring.

Together with 231227599, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231227597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231227599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115613798 + 115613799.

It is an arithmetic number, because the mean of its divisors is an integer number (115613799).

Almost surely, 2^231227597 is an apocalyptic number.

It is an amenable number.

231227597 is a deficient number, since it is larger than the sum of its proper divisors (1).

231227597 is an equidigital number, since it uses as much as digits as its factorization.

231227597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 231227597 is about 15206.1697018020. The cubic root of 231227597 is about 613.7806912338.

The spelling of 231227597 in words is "two hundred thirty-one million, two hundred twenty-seven thousand, five hundred ninety-seven".