2602561242 has 16 divisors (see below), whose sum is σ = 5205634560. Its totient is φ = 867435072.

The previous prime is 2602561231. The next prime is 2602561243. The reversal of 2602561242 is 2421652062.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2602561243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87234 + ... + 113202.

It is an arithmetic number, because the mean of its divisors is an integer number (325352160).

Almost surely, 2^2602561242 is an apocalyptic number.

2602561242 is an abundant number, since it is smaller than the sum of its proper divisors (2603073318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2602561242 is a wasteful number, since it uses less digits than its factorization.

2602561242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42677.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2602561242 is about 51015.3039979181. The cubic root of 2602561242 is about 1375.5202424981.

The spelling of 2602561242 in words is "two billion, six hundred two million, five hundred sixty-one thousand, two hundred forty-two".