89272531 has 2 divisors, whose sum is σ = 89272532. Its totient is φ = 89272530.

The previous prime is 89272493. The next prime is 89272537. The reversal of 89272531 is 13527298.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89272531 - 2⁹ = 89272019 is a prime.

It is a super-2 number, since 2×89272531² = 15939169582291922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89272537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44636265 + 44636266.

It is an arithmetic number, because the mean of its divisors is an integer number (44636266).

Almost surely, 2^89272531 is an apocalyptic number.

89272531 is a deficient number, since it is larger than the sum of its proper divisors (1).

89272531 is an equidigital number, since it uses as much as digits as its factorization.

89272531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 89272531 is about 9448.4142055691. The cubic root of 89272531 is about 446.9297685722.

The spelling of 89272531 in words is "eighty-nine million, two hundred seventy-two thousand, five hundred thirty-one".