2522879957 has 4 divisors (see below), whose sum is σ = 2716947660. Its totient is φ = 2328812256.

The previous prime is 2522879921. The next prime is 2522879987. The reversal of 2522879957 is 7599782252.

It is a happy number.

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 770118001 + 1752761956 = 27751^2 + 41866^2 .

It is a cyclic number.

It is not a de Polignac number, because 2522879957 - 2¹⁰ = 2522878933 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 (2522879987) 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, 97033832 + ... + 97033857.

It is an arithmetic number, because the mean of its divisors is an integer number (679236915).

Almost surely, 2^2522879957 is an apocalyptic number.

It is an amenable number.

2522879957 is a deficient number, since it is larger than the sum of its proper divisors (194067703).

2522879957 is a wasteful number, since it uses less digits than its factorization.

2522879957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194067702.

The product of its digits is 6350400, while the sum is 56.

The square root of 2522879957 is about 50228.2784594495. The cubic root of 2522879957 is about 1361.3366251117.

The spelling of 2522879957 in words is "two billion, five hundred twenty-two million, eight hundred seventy-nine thousand, nine hundred fifty-seven".