2551542357 has 64 divisors (see below), whose sum is σ = 4497920000. Its totient is φ = 1274906304.

The previous prime is 2551542353. The next prime is 2551542361. The reversal of 2551542357 is 7532451552.

It is an interprime number because it is at equal distance from previous prime (2551542353) and next prime (2551542361).

It is not a de Polignac number, because 2551542357 - 2² = 2551542353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551542353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 249144 + ... + 259182.

It is an arithmetic number, because the mean of its divisors is an integer number (70280000).

Almost surely, 2^2551542357 is an apocalyptic number.

It is an amenable number.

2551542357 is a deficient number, since it is larger than the sum of its proper divisors (1946377643).

2551542357 is a wasteful number, since it uses less digits than its factorization.

2551542357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10095 (or 10081 counting only the distinct ones).

The product of its digits is 210000, while the sum is 39.

The square root of 2551542357 is about 50512.7939932053. The cubic root of 2551542357 is about 1366.4725987836.

The spelling of 2551542357 in words is "two billion, five hundred fifty-one million, five hundred forty-two thousand, three hundred fifty-seven".