2015251 has 8 divisors (see below), whose sum is σ = 2315264. Its totient is φ = 1718280.

The previous prime is 2015213. The next prime is 2015267. The reversal of 2015251 is 1525102.

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 2015251 - 2⁹ = 2014739 is a prime.

It is a super-3 number, since 3×2015251³ = 24553233315845574753, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2015201) 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, 916 + ... + 2206.

It is an arithmetic number, because the mean of its divisors is an integer number (289408).

2^2015251 is an apocalyptic number.

2015251 is a deficient number, since it is larger than the sum of its proper divisors (300013).

2015251 is a wasteful number, since it uses less digits than its factorization.

2015251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2015251 is about 1419.5953648840. The cubic root of 2015251 is about 126.3115453283.

The spelling of 2015251 in words is "two million, fifteen thousand, two hundred fifty-one".