452135631 has 8 divisors (see below), whose sum is σ = 611845504. Its totient is φ = 296924760.

The previous prime is 452135623. The next prime is 452135639. The reversal of 452135631 is 136531254.

It is an interprime number because it is at equal distance from previous prime (452135623) and next prime (452135639).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 452135631 - 2³ = 452135623 is a prime.

It is a super-3 number, since 3×452135631³ (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (452135639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124515 + ... + 1124916.

It is an arithmetic number, because the mean of its divisors is an integer number (76480688).

Almost surely, 2^452135631 is an apocalyptic number.

452135631 is a deficient number, since it is larger than the sum of its proper divisors (159709873).

452135631 is a wasteful number, since it uses less digits than its factorization.

452135631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249501.

The product of its digits is 10800, while the sum is 30.

The square root of 452135631 is about 21263.4811590200. The cubic root of 452135631 is about 767.5197820519.

Adding to 452135631 its reverse (136531254), we get a palindrome (588666885).

The spelling of 452135631 in words is "four hundred fifty-two million, one hundred thirty-five thousand, six hundred thirty-one".