2542561215 has 16 divisors (see below), whose sum is σ = 4069510368. Its totient is φ = 1355561856.

The previous prime is 2542561159. The next prime is 2542561223. The reversal of 2542561215 is 5121652452.

It is not a de Polignac number, because 2542561215 - 2⁸ = 2542560959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17649 + ... + 73461.

It is an arithmetic number, because the mean of its divisors is an integer number (254344398).

Almost surely, 2^2542561215 is an apocalyptic number.

2542561215 is a deficient number, since it is larger than the sum of its proper divisors (1526949153).

2542561215 is a wasteful number, since it uses less digits than its factorization.

2542561215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58858.

The product of its digits is 24000, while the sum is 33.

The square root of 2542561215 is about 50423.8159504018. The cubic root of 2542561215 is about 1364.8674373808.

The spelling of 2542561215 in words is "two billion, five hundred forty-two million, five hundred sixty-one thousand, two hundred fifteen".