2522120263 has 4 divisors (see below), whose sum is σ = 2716129528. Its totient is φ = 2328111000.

The previous prime is 2522120261. The next prime is 2522120297. The reversal of 2522120263 is 3620212252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2522120263 - 2¹ = 2522120261 is a prime.

It is a super-2 number, since 2×2522120263² = 12722181242070378338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522120261) 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, 97004613 + ... + 97004638.

It is an arithmetic number, because the mean of its divisors is an integer number (679032382).

Almost surely, 2^2522120263 is an apocalyptic number.

2522120263 is a deficient number, since it is larger than the sum of its proper divisors (194009265).

2522120263 is a wasteful number, since it uses less digits than its factorization.

2522120263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194009264.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2522120263 is about 50220.7154767831. The cubic root of 2522120263 is about 1361.1999687101.

The spelling of 2522120263 in words is "two billion, five hundred twenty-two million, one hundred twenty thousand, two hundred sixty-three".