97436431 has 2 divisors, whose sum is σ = 97436432. Its totient is φ = 97436430.

The previous prime is 97436413. The next prime is 97436461. The reversal of 97436431 is 13463479.

Together with previous prime (97436413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97436431 - 2¹¹ = 97434383 is a prime.

It is a super-2 number, since 2×97436431² = 18987716172035522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97436461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48718215 + 48718216.

It is an arithmetic number, because the mean of its divisors is an integer number (48718216).

Almost surely, 2^97436431 is an apocalyptic number.

97436431 is a deficient number, since it is larger than the sum of its proper divisors (1).

97436431 is an equidigital number, since it uses as much as digits as its factorization.

97436431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 97436431 is about 9870.9893627741. The cubic root of 97436431 is about 460.1581545027.

The spelling of 97436431 in words is "ninety-seven million, four hundred thirty-six thousand, four hundred thirty-one".