95218531 has 4 divisors (see below), whose sum is σ = 95370064. Its totient is φ = 95067000.

The previous prime is 95218511. The next prime is 95218537. The reversal of 95218531 is 13581259.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13581259 = 787 ⋅17257.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-95218531 is a prime.

It is a super-2 number, since 2×95218531² = 18133137291595922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (95218537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74820 + ... + 76081.

It is an arithmetic number, because the mean of its divisors is an integer number (23842516).

Almost surely, 2^95218531 is an apocalyptic number.

95218531 is the 6172-nd centered pentagonal number.

95218531 is a deficient number, since it is larger than the sum of its proper divisors (151533).

95218531 is a wasteful number, since it uses less digits than its factorization.

95218531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151532.

The product of its digits is 10800, while the sum is 34.

The square root of 95218531 is about 9757.9983090796. The cubic root of 95218531 is about 456.6398677746.

The spelling of 95218531 in words is "ninety-five million, two hundred eighteen thousand, five hundred thirty-one".