452542631 has 4 divisors (see below), whose sum is σ = 453998064. Its totient is φ = 451087200.

The previous prime is 452542579. The next prime is 452542633. The reversal of 452542631 is 136245254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136245254 = 2 ⋅68122627.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452542631 is a prime.

It is a super-2 number, since 2×452542631² = 409589665744804322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452542633) 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, 727250 + ... + 727871.

It is an arithmetic number, because the mean of its divisors is an integer number (113499516).

Almost surely, 2^452542631 is an apocalyptic number.

452542631 is a deficient number, since it is larger than the sum of its proper divisors (1455433).

452542631 is a wasteful number, since it uses less digits than its factorization.

452542631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455432.

The product of its digits is 28800, while the sum is 32.

The square root of 452542631 is about 21273.0494052921. The cubic root of 452542631 is about 767.7500130155.

Adding to 452542631 its reverse (136245254), we get a palindrome (588787885).

The spelling of 452542631 in words is "four hundred fifty-two million, five hundred forty-two thousand, six hundred thirty-one".