2251465015 has 8 divisors (see below), whose sum is σ = 2703722688. Its totient is φ = 1799862240.

The previous prime is 2251465001. The next prime is 2251465031. The reversal of 2251465015 is 5105641522.

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

It is a de Polignac number, because none of the positive numbers 2^k-2251465015 is a prime.

It is a Duffinian number.

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, 156127 + ... + 169936.

It is an arithmetic number, because the mean of its divisors is an integer number (337965336).

Almost surely, 2^2251465015 is an apocalyptic number.

2251465015 is a deficient number, since it is larger than the sum of its proper divisors (452257673).

2251465015 is a wasteful number, since it uses less digits than its factorization.

2251465015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327449.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2251465015 is about 47449.6050036246. The cubic root of 2251465015 is about 1310.6550372858.

The spelling of 2251465015 in words is "two billion, two hundred fifty-one million, four hundred sixty-five thousand, fifteen".