2015251051 has 8 divisors (see below), whose sum is σ = 2214273600. Its totient is φ = 1818864840.

The previous prime is 2015251033. The next prime is 2015251079. The reversal of 2015251051 is 1501525102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2015251051 - 2⁵ = 2015251019 is a prime.

It is a super-2 number, since 2×2015251051² = 8122473597113209202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2015251031) 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, 657481 + ... + 660538.

It is an arithmetic number, because the mean of its divisors is an integer number (276784200).

Almost surely, 2^2015251051 is an apocalyptic number.

2015251051 is a deficient number, since it is larger than the sum of its proper divisors (199022549).

2015251051 is a wasteful number, since it uses less digits than its factorization.

2015251051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318169.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 2015251051 is about 44891.5476565467. The cubic root of 2015251051 is about 1263.1154639381.

Adding to 2015251051 its reverse (1501525102), we get a palindrome (3516776153).

The spelling of 2015251051 in words is "two billion, fifteen million, two hundred fifty-one thousand, fifty-one".