431435252 has 24 divisors (see below), whose sum is σ = 760244352. Its totient is φ = 214228800.

The previous prime is 431435239. The next prime is 431435267. The reversal of 431435252 is 252534134.

It is a happy number.

It is a super-2 number, since 2×431435252² = 372272753336607008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566552 + ... + 567312.

It is an arithmetic number, because the mean of its divisors is an integer number (31676848).

Almost surely, 2^431435252 is an apocalyptic number.

It is an amenable number.

431435252 is a deficient number, since it is larger than the sum of its proper divisors (328809100).

431435252 is a wasteful number, since it uses less digits than its factorization.

431435252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1557 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 431435252 is about 20771.0195224019. The cubic root of 431435252 is about 755.6230705944.

Adding to 431435252 its reverse (252534134), we get a palindrome (683969386).

The spelling of 431435252 in words is "four hundred thirty-one million, four hundred thirty-five thousand, two hundred fifty-two".