453540431 has 4 divisors (see below), whose sum is σ = 477411000. Its totient is φ = 429669864.

The previous prime is 453540421. The next prime is 453540449. The reversal of 453540431 is 134045354.

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 453540431 - 2²⁶ = 386431567 is a prime.

It is a super-3 number, since 3×453540431³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 453540394 and 453540403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453540421) 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, 11935256 + ... + 11935293.

It is an arithmetic number, because the mean of its divisors is an integer number (119352750).

Almost surely, 2^453540431 is an apocalyptic number.

453540431 is a deficient number, since it is larger than the sum of its proper divisors (23870569).

453540431 is a wasteful number, since it uses less digits than its factorization.

453540431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23870568.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 453540431 is about 21296.4887011920. The cubic root of 453540431 is about 768.3138631196.

Adding to 453540431 its reverse (134045354), we get a palindrome (587585785).

The spelling of 453540431 in words is "four hundred fifty-three million, five hundred forty thousand, four hundred thirty-one".