97424531 has 2 divisors, whose sum is σ = 97424532. Its totient is φ = 97424530.

The previous prime is 97424479. The next prime is 97424539. The reversal of 97424531 is 13542479.

It is a strong prime.

It is an emirp because it is prime and its reverse (13542479) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97424531 is a prime.

It is a super-2 number, since 2×97424531² = 18983078481139922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 97424491 and 97424500.

It is not a weakly prime, because it can be changed into another prime (97424539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48712265 + 48712266.

It is an arithmetic number, because the mean of its divisors is an integer number (48712266).

Almost surely, 2^97424531 is an apocalyptic number.

97424531 is a deficient number, since it is larger than the sum of its proper divisors (1).

97424531 is an equidigital number, since it uses as much as digits as its factorization.

97424531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 97424531 is about 9870.3865679111. The cubic root of 97424531 is about 460.1394205619.

The spelling of 97424531 in words is "ninety-seven million, four hundred twenty-four thousand, five hundred thirty-one".