2520087291 has 12 divisors (see below), whose sum is σ = 3640604968. Its totient is φ = 1679837184.

The previous prime is 2520087223. The next prime is 2520087337. The reversal of 2520087291 is 1927800252.

It is not a de Polignac number, because 2520087291 - 2¹⁰ = 2520086267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520087221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83451 + ... + 109563.

Almost surely, 2^2520087291 is an apocalyptic number.

2520087291 is a deficient number, since it is larger than the sum of its proper divisors (1120517677).

2520087291 is a wasteful number, since it uses less digits than its factorization.

2520087291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36842 (or 36839 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 2520087291 is about 50200.4710236866. The cubic root of 2520087291 is about 1360.8341356020.

The spelling of 2520087291 in words is "two billion, five hundred twenty million, eighty-seven thousand, two hundred ninety-one".