2530256351 has 16 divisors (see below), whose sum is σ = 3002149440. Its totient is φ = 2086506240.

The previous prime is 2530256321. The next prime is 2530256357. The reversal of 2530256351 is 1536520352.

It is a de Polignac number, because none of the positive numbers 2^k-2530256351 is a prime.

It is a super-4 number, since 4×2530256351⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530256357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34865 + ... + 79221.

It is an arithmetic number, because the mean of its divisors is an integer number (187634340).

Almost surely, 2^2530256351 is an apocalyptic number.

2530256351 is a deficient number, since it is larger than the sum of its proper divisors (471893089).

2530256351 is a wasteful number, since it uses less digits than its factorization.

2530256351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44674.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 2530256351 is about 50301.6535612896. The cubic root of 2530256351 is about 1362.6620923897.

The spelling of 2530256351 in words is "two billion, five hundred thirty million, two hundred fifty-six thousand, three hundred fifty-one".