2515256427 has 8 divisors (see below), whose sum is σ = 3355569616. Its totient is φ = 1675890432.

The previous prime is 2515256357. The next prime is 2515256441. The reversal of 2515256427 is 7246525152.

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

It is not a de Polignac number, because 2515256427 - 2⁷ = 2515256299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2515256477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230578 + ... + 241239.

It is an arithmetic number, because the mean of its divisors is an integer number (419446202).

Almost surely, 2^2515256427 is an apocalyptic number.

2515256427 is a deficient number, since it is larger than the sum of its proper divisors (840313189).

2515256427 is a wasteful number, since it uses less digits than its factorization.

2515256427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473597.

The product of its digits is 168000, while the sum is 39.

The square root of 2515256427 is about 50152.3322189507. The cubic root of 2515256427 is about 1359.9640321730.

The spelling of 2515256427 in words is "two billion, five hundred fifteen million, two hundred fifty-six thousand, four hundred twenty-seven".