2557025377 has 8 divisors (see below), whose sum is σ = 2693298560. Its totient is φ = 2420921520.

The previous prime is 2557025353. The next prime is 2557025407. The reversal of 2557025377 is 7735207552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2557025377 - 2¹⁵ = 2556992609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2557023377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10713 + ... + 72310.

It is an arithmetic number, because the mean of its divisors is an integer number (336662320).

Almost surely, 2^2557025377 is an apocalyptic number.

It is an amenable number.

2557025377 is a deficient number, since it is larger than the sum of its proper divisors (136273183).

2557025377 is a wasteful number, since it uses less digits than its factorization.

2557025377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84663.

The product of its (nonzero) digits is 514500, while the sum is 43.

The square root of 2557025377 is about 50567.0384440299. The cubic root of 2557025377 is about 1367.4507047192.

The spelling of 2557025377 in words is "two billion, five hundred fifty-seven million, twenty-five thousand, three hundred seventy-seven".