2251363515 has 16 divisors (see below), whose sum is σ = 3625129248. Its totient is φ = 1193078016.

The previous prime is 2251363507. The next prime is 2251363519. The reversal of 2251363515 is 5153631522.

It is a happy number.

It is not a de Polignac number, because 2251363515 - 2³ = 2251363507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251363519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475642 + ... + 480351.

It is an arithmetic number, because the mean of its divisors is an integer number (226570578).

Almost surely, 2^2251363515 is an apocalyptic number.

2251363515 is a deficient number, since it is larger than the sum of its proper divisors (1373765733).

2251363515 is a wasteful number, since it uses less digits than its factorization.

2251363515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956158.

The product of its digits is 27000, while the sum is 33.

The square root of 2251363515 is about 47448.5354357750. The cubic root of 2251363515 is about 1310.6353414457.

The spelling of 2251363515 in words is "two billion, two hundred fifty-one million, three hundred sixty-three thousand, five hundred fifteen".