99914531 has 2 divisors, whose sum is σ = 99914532. Its totient is φ = 99914530.

The previous prime is 99914513. The next prime is 99914543. The reversal of 99914531 is 13541999.

Together with previous prime (99914513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99914531 - 2¹⁰ = 99913507 is a prime.

It is a super-2 number, since 2×99914531² = 19965827009899922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99914501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49957265 + 49957266.

It is an arithmetic number, because the mean of its divisors is an integer number (49957266).

Almost surely, 2^99914531 is an apocalyptic number.

99914531 is a deficient number, since it is larger than the sum of its proper divisors (1).

99914531 is an equidigital number, since it uses as much as digits as its factorization.

99914531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 41.

The square root of 99914531 is about 9995.7256364908. The cubic root of 99914531 is about 464.0266083507.

The spelling of 99914531 in words is "ninety-nine million, nine hundred fourteen thousand, five hundred thirty-one".