652441531 has 16 divisors (see below), whose sum is σ = 772761600. Its totient is φ = 539043840.

The previous prime is 652441523. The next prime is 652441541. The reversal of 652441531 is 135144256.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 652441531 - 2³ = 652441523 is a prime.

It is a super-2 number, since 2×652441531² = 851359902747247922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652441493 and 652441502.

It is not an unprimeable number, because it can be changed into a prime (652441541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49920 + ... + 61618.

It is an arithmetic number, because the mean of its divisors is an integer number (48297600).

Almost surely, 2^652441531 is an apocalyptic number.

652441531 is a deficient number, since it is larger than the sum of its proper divisors (120320069).

652441531 is a wasteful number, since it uses less digits than its factorization.

652441531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11994.

The product of its digits is 14400, while the sum is 31.

The square root of 652441531 is about 25542.9350506162. The cubic root of 652441531 is about 867.3223397420.

Adding to 652441531 its reverse (135144256), we get a palindrome (787585787).

The spelling of 652441531 in words is "six hundred fifty-two million, four hundred forty-one thousand, five hundred thirty-one".