2557025045 has 12 divisors (see below), whose sum is σ = 3153610404. Its totient is φ = 1990327680.

The previous prime is 2557025039. The next prime is 2557025059. The reversal of 2557025045 is 5405207552.

It can be written as a sum of positive squares in 6 ways, for example, as 291931396 + 2265093649 = 17086^2 + 47593^2 .

It is not a de Polignac number, because 2557025045 - 2¹⁴ = 2557008661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2557024996 and 2557025014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179936 + ... + 193625.

It is an arithmetic number, because the mean of its divisors is an integer number (262800867).

Almost surely, 2^2557025045 is an apocalyptic number.

It is an amenable number.

2557025045 is a deficient number, since it is larger than the sum of its proper divisors (596585359).

2557025045 is an equidigital number, since it uses as much as digits as its factorization.

2557025045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373640 (or 373603 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 2557025045 is about 50567.0351612590. The cubic root of 2557025045 is about 1367.4506455366.

The spelling of 2557025045 in words is "two billion, five hundred fifty-seven million, twenty-five thousand, forty-five".