652431 has 8 divisors (see below), whose sum is σ = 936880. Its totient is φ = 401472.

The previous prime is 652429. The next prime is 652447. The reversal of 652431 is 134256.

It is a happy number.

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

It is not a de Polignac number, because 652431 - 2¹ = 652429 is a prime.

It is a super-2 number, since 2×652431² = 851332419522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652398 and 652407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8326 + ... + 8403.

It is an arithmetic number, because the mean of its divisors is an integer number (117110).

2⁶⁵²⁴³¹ is an apocalyptic number.

652431 is a deficient number, since it is larger than the sum of its proper divisors (284449).

652431 is a wasteful number, since it uses less digits than its factorization.

652431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16745.

The product of its digits is 720, while the sum is 21.

The square root of 652431 is about 807.7320100132. The cubic root of 652431 is about 86.7317673260.

Adding to 652431 its reverse (134256), we get a palindrome (786687).

It can be divided in two parts, 6524 and 31, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 652431 in words is "six hundred fifty-two thousand, four hundred thirty-one".