2251307373 has 16 divisors (see below), whose sum is σ = 3432598656. Its totient is φ = 1285698240.

The previous prime is 2251307363. The next prime is 2251307393. The reversal of 2251307373 is 3737031522.

It is not a de Polignac number, because 2251307373 - 2⁸ = 2251307117 is a prime.

It is a super-2 number, since 2×2251307373² = 10136769775448322258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251307363) 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, 5463 + ... + 67323.

It is an arithmetic number, because the mean of its divisors is an integer number (214537416).

Almost surely, 2^2251307373 is an apocalyptic number.

It is an amenable number.

2251307373 is a deficient number, since it is larger than the sum of its proper divisors (1181291283).

2251307373 is a wasteful number, since it uses less digits than its factorization.

2251307373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63604.

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 2251307373 is about 47447.9438226779. The cubic root of 2251307373 is about 1310.6244469662.

Adding to 2251307373 its reverse (3737031522), we get a palindrome (5988338895).

The spelling of 2251307373 in words is "two billion, two hundred fifty-one million, three hundred seven thousand, three hundred seventy-three".