454012531 has 4 divisors (see below), whose sum is σ = 518871472. Its totient is φ = 389153592.

The previous prime is 454012513. The next prime is 454012541. The reversal of 454012531 is 135210454.

It is a happy number.

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 454012531 - 2¹³ = 454004339 is a prime.

It is a super-2 number, since 2×454012531² = 412254756610051922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 454012496 and 454012505.

It is not an unprimeable number, because it can be changed into a prime (454012501) 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, 32429460 + ... + 32429473.

It is an arithmetic number, because the mean of its divisors is an integer number (129717868).

Almost surely, 2^454012531 is an apocalyptic number.

454012531 is a deficient number, since it is larger than the sum of its proper divisors (64858941).

454012531 is an equidigital number, since it uses as much as digits as its factorization.

454012531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64858940.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 454012531 is about 21307.5698051186. The cubic root of 454012531 is about 768.5803554894.

Adding to 454012531 its reverse (135210454), we get a palindrome (589222985).

It can be divided in two parts, 4540 and 12531, that added together give a palindrome (17071).

The spelling of 454012531 in words is "four hundred fifty-four million, twelve thousand, five hundred thirty-one".