97503631 has 2 divisors, whose sum is σ = 97503632. Its totient is φ = 97503630.

The previous prime is 97503607. The next prime is 97503641. The reversal of 97503631 is 13630579.

It is a strong prime.

It is an emirp because it is prime and its reverse (13630579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97503631 - 2⁵ = 97503599 is a prime.

It is a super-2 number, since 2×97503631² = 19013916116368322, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 97503631 parts by 13964 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97503641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48751815 + 48751816.

It is an arithmetic number, because the mean of its divisors is an integer number (48751816).

Almost surely, 2^97503631 is an apocalyptic number.

97503631 is a deficient number, since it is larger than the sum of its proper divisors (1).

97503631 is an equidigital number, since it uses as much as digits as its factorization.

97503631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 97503631 is about 9874.3926901861. The cubic root of 97503631 is about 460.2639175507.

The spelling of 97503631 in words is "ninety-seven million, five hundred three thousand, six hundred thirty-one".