2562615641 has 4 divisors (see below), whose sum is σ = 2568150912. Its totient is φ = 2557080372.

The previous prime is 2562615553. The next prime is 2562615677. The reversal of 2562615641 is 1465162652.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2562615641 - 2¹⁰ = 2562614617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2562615595 and 2562615604.

It is not an unprimeable number, because it can be changed into a prime (2562611641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2766941 + ... + 2767866.

It is an arithmetic number, because the mean of its divisors is an integer number (642037728).

Almost surely, 2^2562615641 is an apocalyptic number.

It is an amenable number.

2562615641 is a deficient number, since it is larger than the sum of its proper divisors (5535271).

2562615641 is an equidigital number, since it uses as much as digits as its factorization.

2562615641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535270.

The product of its digits is 86400, while the sum is 38.

The square root of 2562615641 is about 50622.2840357880. The cubic root of 2562615641 is about 1368.4465032539.

The spelling of 2562615641 in words is "two billion, five hundred sixty-two million, six hundred fifteen thousand, six hundred forty-one".