2515152638 has 16 divisors (see below), whose sum is σ = 3831014880. Its totient is φ = 1238265600.

The previous prime is 2515152617. The next prime is 2515152641. The reversal of 2515152638 is 8362515152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13583 + ... + 72213.

It is an arithmetic number, because the mean of its divisors is an integer number (239438430).

Almost surely, 2^2515152638 is an apocalyptic number.

2515152638 is a deficient number, since it is larger than the sum of its proper divisors (1315862242).

2515152638 is a wasteful number, since it uses less digits than its factorization.

2515152638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58963.

The product of its digits is 72000, while the sum is 38.

The square root of 2515152638 is about 50151.2974707534. The cubic root of 2515152638 is about 1359.9453261614.

The spelling of 2515152638 in words is "two billion, five hundred fifteen million, one hundred fifty-two thousand, six hundred thirty-eight".