2515256428 has 6 divisors (see below), whose sum is σ = 4401698756. Its totient is φ = 1257628212.

The previous prime is 2515256357. The next prime is 2515256441. The reversal of 2515256428 is 8246525152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314407050 + ... + 314407057.

Almost surely, 2^2515256428 is an apocalyptic number.

It is an amenable number.

2515256428 is a deficient number, since it is larger than the sum of its proper divisors (1886442328).

2515256428 is a wasteful number, since it uses less digits than its factorization.

2515256428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628814111 (or 628814109 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The square root of 2515256428 is about 50152.3322289203. The cubic root of 2515256428 is about 1359.9640323533.

The spelling of 2515256428 in words is "two billion, five hundred fifteen million, two hundred fifty-six thousand, four hundred twenty-eight".