450252531 has 36 divisors (see below), whose sum is σ = 719992728. Its totient is φ = 270179712.

The previous prime is 450252511. The next prime is 450252533. The reversal of 450252531 is 135252054.

It is a happy number.

It is not a de Polignac number, because 450252531 - 2¹³ = 450244339 is a prime.

It is a super-2 number, since 2×450252531² = 405454683343811922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450252495 and 450252504.

It is not an unprimeable number, because it can be changed into a prime (450252533) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 78156 + ... + 83718.

It is an arithmetic number, because the mean of its divisors is an integer number (19999798).

Almost surely, 2^450252531 is an apocalyptic number.

450252531 is a deficient number, since it is larger than the sum of its proper divisors (269740197).

450252531 is a wasteful number, since it uses less digits than its factorization.

450252531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5632 (or 5606 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 450252531 is about 21219.1548135170. The cubic root of 450252531 is about 766.4527514301.

The spelling of 450252531 in words is "four hundred fifty million, two hundred fifty-two thousand, five hundred thirty-one".