2251937513 has 16 divisors (see below), whose sum is σ = 2735416320. Its totient is φ = 1810876176.

The previous prime is 2251937509. The next prime is 2251937537. The reversal of 2251937513 is 3157391522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2251937513 - 2² = 2251937509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251937213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68495 + ... + 95892.

It is an arithmetic number, because the mean of its divisors is an integer number (170963520).

Almost surely, 2^2251937513 is an apocalyptic number.

It is an amenable number.

2251937513 is a deficient number, since it is larger than the sum of its proper divisors (483478807).

2251937513 is a wasteful number, since it uses less digits than its factorization.

2251937513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164516.

The product of its digits is 56700, while the sum is 38.

The square root of 2251937513 is about 47454.5836879853. The cubic root of 2251937513 is about 1310.7467166388.

The spelling of 2251937513 in words is "two billion, two hundred fifty-one million, nine hundred thirty-seven thousand, five hundred thirteen".