452779931 has 4 divisors (see below), whose sum is σ = 456085032. Its totient is φ = 449474832.

The previous prime is 452779891. The next prime is 452779961. The reversal of 452779931 is 139977254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 452779931 - 2²⁶ = 385671067 is a prime.

It is a super-2 number, since 2×452779931² = 410019331832729522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452779961) 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, 1652345 + ... + 1652618.

It is an arithmetic number, because the mean of its divisors is an integer number (114021258).

Almost surely, 2^452779931 is an apocalyptic number.

452779931 is a deficient number, since it is larger than the sum of its proper divisors (3305101).

452779931 is a wasteful number, since it uses less digits than its factorization.

452779931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305100.

The product of its digits is 476280, while the sum is 47.

The square root of 452779931 is about 21278.6261539602. The cubic root of 452779931 is about 767.8841847159.

The spelling of 452779931 in words is "four hundred fifty-two million, seven hundred seventy-nine thousand, nine hundred thirty-one".