87508253 has 8 divisors (see below), whose sum is σ = 100391808. Its totient is φ = 74720304.

The previous prime is 87508249. The next prime is 87508279. The reversal of 87508253 is 35280578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87508253 - 2² = 87508249 is a prime.

It is a super-2 number, since 2×87508253² = 15315388686224018, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87508153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21926 + ... + 25607.

It is an arithmetic number, because the mean of its divisors is an integer number (12548976).

Almost surely, 2^87508253 is an apocalyptic number.

It is an amenable number.

87508253 is a deficient number, since it is larger than the sum of its proper divisors (12883555).

87508253 is a wasteful number, since it uses less digits than its factorization.

87508253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47803.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 87508253 is about 9354.5845979391. The cubic root of 87508253 is about 443.9659582834.

The spelling of 87508253 in words is "eighty-seven million, five hundred eight thousand, two hundred fifty-three".