2604120265 has 16 divisors (see below), whose sum is σ = 3309974928. Its totient is φ = 1960032256.

The previous prime is 2604120257. The next prime is 2604120293. The reversal of 2604120265 is 5620214062.

It can be written as a sum of positive squares in 8 ways, for example, as 184660921 + 2419459344 = 13589^2 + 49188^2 .

It is a cyclic number.

It is not a de Polignac number, because 2604120265 - 2³ = 2604120257 is a prime.

It is a Duffinian 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, 399069 + ... + 405541.

It is an arithmetic number, because the mean of its divisors is an integer number (206873433).

Almost surely, 2^2604120265 is an apocalyptic number.

It is an amenable number.

2604120265 is a deficient number, since it is larger than the sum of its proper divisors (705854663).

2604120265 is a wasteful number, since it uses less digits than its factorization.

2604120265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11228.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2604120265 is about 51030.5816643314. The cubic root of 2604120265 is about 1375.7948488614.

The spelling of 2604120265 in words is "two billion, six hundred four million, one hundred twenty thousand, two hundred sixty-five".