2265512456 has 8 divisors (see below), whose sum is σ = 4247835870. Its totient is φ = 1132756224.

The previous prime is 2265512453. The next prime is 2265512521. The reversal of 2265512456 is 6542155622.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2177715556 + 87796900 = 46666^2 + 9370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2265512453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141594521 + ... + 141594536.

Almost surely, 2^2265512456 is an apocalyptic number.

It is an amenable number.

2265512456 is a deficient number, since it is larger than the sum of its proper divisors (1982323414).

2265512456 is a wasteful number, since it uses less digits than its factorization.

2265512456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283189063 (or 283189059 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The square root of 2265512456 is about 47597.3996768731. The cubic root of 2265512456 is about 1313.3752202765.

The spelling of 2265512456 in words is "two billion, two hundred sixty-five million, five hundred twelve thousand, four hundred fifty-six".