89250013 has 4 divisors (see below), whose sum is σ = 90379840. Its totient is φ = 88120188.

The previous prime is 89249987. The next prime is 89250037. The reversal of 89250013 is 31005298.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31005298 = 2 ⋅15502649.

It is a cyclic number.

It is not a de Polignac number, because 89250013 - 2⁵ = 89249981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89250043) 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, 564795 + ... + 564952.

It is an arithmetic number, because the mean of its divisors is an integer number (22594960).

Almost surely, 2^89250013 is an apocalyptic number.

It is an amenable number.

89250013 is a deficient number, since it is larger than the sum of its proper divisors (1129827).

89250013 is a wasteful number, since it uses less digits than its factorization.

89250013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129826.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 89250013 is about 9447.2225018785. Note that the first 3 decimals coincide. The cubic root of 89250013 is about 446.8921877295.

It can be divided in two parts, 892 and 50013, that added together give a palindrome (50905).

The spelling of 89250013 in words is "eighty-nine million, two hundred fifty thousand, thirteen".