87610253 has 4 divisors (see below), whose sum is σ = 87713340. Its totient is φ = 87507168.

The previous prime is 87610217. The next prime is 87610261. The reversal of 87610253 is 35201678.

It is a happy number.

87610253 is nontrivially palindromic in base 8.

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 69522244 + 18088009 = 8338^2 + 4253^2 .

It is a cyclic number.

It is not a de Polignac number, because 87610253 - 2¹⁸ = 87348109 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 (87610283) 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, 50258 + ... + 51971.

It is an arithmetic number, because the mean of its divisors is an integer number (21928335).

Almost surely, 2^87610253 is an apocalyptic number.

It is an amenable number.

87610253 is a deficient number, since it is larger than the sum of its proper divisors (103087).

87610253 is a wasteful number, since it uses less digits than its factorization.

87610253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103086.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 87610253 is about 9360.0348824136. The cubic root of 87610253 is about 444.1383875228.

The spelling of 87610253 in words is "eighty-seven million, six hundred ten thousand, two hundred fifty-three".