2610085921 has 9 divisors (see below), whose sum is σ = 2669256849. Its totient is φ = 2552202084.

The previous prime is 2610085913. The next prime is 2610085937. The reversal of 2610085921 is 1295800162.

The square root of 2610085921 is 51089.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2610085921 - 2³ = 2610085913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2610085721) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2400640 + ... + 2401726.

Almost surely, 2^2610085921 is an apocalyptic number.

2610085921 is the 51089-th square number.

2610085921 is the 25545-th centered octagonal number.

It is an amenable number.

2610085921 is a deficient number, since it is larger than the sum of its proper divisors (59170928).

2610085921 is an frugal number, since it uses more digits than its factorization.

2610085921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The cubic root of 2610085921 is about 1376.8446287639.

The spelling of 2610085921 in words is "two billion, six hundred ten million, eighty-five thousand, nine hundred twenty-one".