88251013 has 4 divisors (see below), whose sum is σ = 88362540. Its totient is φ = 88139488.

The previous prime is 88250999. The next prime is 88251019. The reversal of 88251013 is 31015288.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56520324 + 31730689 = 7518^2 + 5633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88251013 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 (88251019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54568 + ... + 56161.

It is an arithmetic number, because the mean of its divisors is an integer number (22090635).

Almost surely, 2^88251013 is an apocalyptic number.

It is an amenable number.

88251013 is a deficient number, since it is larger than the sum of its proper divisors (111527).

88251013 is a wasteful number, since it uses less digits than its factorization.

88251013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111526.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 88251013 is about 9394.2010304230. The cubic root of 88251013 is about 445.2185317260.

The spelling of 88251013 in words is "eighty-eight million, two hundred fifty-one thousand, thirteen".