456252989 has 4 divisors (see below), whose sum is σ = 456298140. Its totient is φ = 456207840.

The previous prime is 456252971. The next prime is 456253003. The reversal of 456252989 is 989252654.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 119530489 + 336722500 = 10933^2 + 18350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456252989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456252889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329 + ... + 30209.

It is an arithmetic number, because the mean of its divisors is an integer number (114074535).

Almost surely, 2^456252989 is an apocalyptic number.

It is an amenable number.

456252989 is a deficient number, since it is larger than the sum of its proper divisors (45151).

456252989 is a wasteful number, since it uses less digits than its factorization.

456252989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45150.

The product of its digits is 1555200, while the sum is 50.

The square root of 456252989 is about 21360.0793303770. The cubic root of 456252989 is about 769.8425432805.

The spelling of 456252989 in words is "four hundred fifty-six million, two hundred fifty-two thousand, nine hundred eighty-nine".