2512655604 has 18 divisors (see below), whose sum is σ = 6351435090. Its totient is φ = 837551856.

The previous prime is 2512655599. The next prime is 2512655647. The reversal of 2512655604 is 4065562152.

2512655604 is a `hidden beast` number, since 25 + 1 + 26 + 5 + 5 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2505202704 + 7452900 = 50052^2 + 2730^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 69795989 = 2512655604 / (2 + 5 + 1 + 2 + 6 + 5 + 5 + 6 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34897959 + ... + 34898030.

It is an arithmetic number, because the mean of its divisors is an integer number (352857505).

Almost surely, 2^2512655604 is an apocalyptic number.

It is an amenable number.

2512655604 is an abundant number, since it is smaller than the sum of its proper divisors (3838779486).

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

2512655604 is a wasteful number, since it uses less digits than its factorization.

2512655604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69795999 (or 69795994 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2512655604 is about 50126.3962798045. The cubic root of 2512655604 is about 1359.4951276226.

The spelling of 2512655604 in words is "two billion, five hundred twelve million, six hundred fifty-five thousand, six hundred four".