97531037 has 2 divisors, whose sum is σ = 97531038. Its totient is φ = 97531036.

The previous prime is 97530947. The next prime is 97531039. The reversal of 97531037 is 73013579.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82700836 + 14830201 = 9094^2 + 3851^2 .

It is a cyclic number.

It is not a de Polignac number, because 97531037 - 2¹⁴ = 97514653 is a prime.

Together with 97531039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97530988 and 97531006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97531039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48765518 + 48765519.

It is an arithmetic number, because the mean of its divisors is an integer number (48765519).

Almost surely, 2^97531037 is an apocalyptic number.

It is an amenable number.

97531037 is a deficient number, since it is larger than the sum of its proper divisors (1).

97531037 is an equidigital number, since it uses as much as digits as its factorization.

97531037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 97531037 is about 9875.7803235998. The cubic root of 97531037 is about 460.3070366672.

The spelling of 97531037 in words is "ninety-seven million, five hundred thirty-one thousand, thirty-seven".