2265637517 has 32 divisors (see below), whose sum is σ = 2800901376. Its totient is φ = 1818252480.

The previous prime is 2265637513. The next prime is 2265637559. The reversal of 2265637517 is 7157365622.

It is not a de Polignac number, because 2265637517 - 2² = 2265637513 is a prime.

It is a super-2 number, since 2×2265637517² = 10266226716875850578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265637513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395123 + ... + 400815.

It is an arithmetic number, because the mean of its divisors is an integer number (87528168).

Almost surely, 2^2265637517 is an apocalyptic number.

It is an amenable number.

2265637517 is a deficient number, since it is larger than the sum of its proper divisors (535263859).

2265637517 is a wasteful number, since it uses less digits than its factorization.

2265637517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762 (or 5740 counting only the distinct ones).

The product of its digits is 529200, while the sum is 44.

The square root of 2265637517 is about 47598.7133964774. The cubic root of 2265637517 is about 1313.3993868465.

The spelling of 2265637517 in words is "two billion, two hundred sixty-five million, six hundred thirty-seven thousand, five hundred seventeen".