1452653431 has 4 divisors (see below), whose sum is σ = 1452753952. Its totient is φ = 1452552912.

The previous prime is 1452653399. The next prime is 1452653479. The reversal of 1452653431 is 1343562541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1343562541 = 617 ⋅2177573.

It is a cyclic number.

It is not a de Polignac number, because 1452653431 - 2⁵ = 1452653399 is a prime.

It is a super-2 number, since 2×1452653431² = 4220403981192143522, 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 (1452653231) 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, 24015 + ... + 59008.

It is an arithmetic number, because the mean of its divisors is an integer number (363188488).

Almost surely, 2^1452653431 is an apocalyptic number.

1452653431 is a deficient number, since it is larger than the sum of its proper divisors (100521).

1452653431 is an equidigital number, since it uses as much as digits as its factorization.

1452653431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100520.

The product of its digits is 43200, while the sum is 34.

The square root of 1452653431 is about 38113.6908603719. The cubic root of 1452653431 is about 1132.5411865267.

The spelling of 1452653431 in words is "one billion, four hundred fifty-two million, six hundred fifty-three thousand, four hundred thirty-one".