89520259 has 4 divisors (see below), whose sum is σ = 89608960. Its totient is φ = 89431560.

The previous prime is 89520257. The next prime is 89520271. The reversal of 89520259 is 95202598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95202598 = 2 ⋅47601299.

It is a cyclic number.

It is not a de Polignac number, because 89520259 - 2¹ = 89520257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89520253) 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, 42819 + ... + 44860.

It is an arithmetic number, because the mean of its divisors is an integer number (22402240).

Almost surely, 2^89520259 is an apocalyptic number.

89520259 is a deficient number, since it is larger than the sum of its proper divisors (88701).

89520259 is a wasteful number, since it uses less digits than its factorization.

89520259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88700.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 89520259 is about 9461.5146250481. The cubic root of 89520259 is about 447.3427913396.

The spelling of 89520259 in words is "eighty-nine million, five hundred twenty thousand, two hundred fifty-nine".