452155531 has 4 divisors (see below), whose sum is σ = 457603272. Its totient is φ = 446707792.

The previous prime is 452155523. The next prime is 452155537. The reversal of 452155531 is 135551254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135551254 = 2 ⋅67775627.

It is a cyclic number.

It is not a de Polignac number, because 452155531 - 2³ = 452155523 is a prime.

It is a super-3 number, since 3×452155531³ (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 = 452155493 and 452155502.

It is not an unprimeable number, because it can be changed into a prime (452155537) 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, 2723746 + ... + 2723911.

It is an arithmetic number, because the mean of its divisors is an integer number (114400818).

Almost surely, 2^452155531 is an apocalyptic number.

452155531 is a deficient number, since it is larger than the sum of its proper divisors (5447741).

452155531 is an equidigital number, since it uses as much as digits as its factorization.

452155531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447740.

The product of its digits is 15000, while the sum is 31.

The square root of 452155531 is about 21263.9490923017. The cubic root of 452155531 is about 767.5310422568.

The spelling of 452155531 in words is "four hundred fifty-two million, one hundred fifty-five thousand, five hundred thirty-one".