431243252 has 24 divisors (see below), whose sum is σ = 823943232. Its totient is φ = 195862400.

The previous prime is 431243249. The next prime is 431243269. The reversal of 431243252 is 252342134.

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, 65177 + ... + 71487.

It is an arithmetic number, because the mean of its divisors is an integer number (34330968).

Almost surely, 2^431243252 is an apocalyptic number.

It is an amenable number.

431243252 is a deficient number, since it is larger than the sum of its proper divisors (392699980).

431243252 is a wasteful number, since it uses less digits than its factorization.

431243252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7879 (or 7877 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 431243252 is about 20766.3971839123. The cubic root of 431243252 is about 755.5109632692.

Adding to 431243252 its reverse (252342134), we get a palindrome (683585386).

The spelling of 431243252 in words is "four hundred thirty-one million, two hundred forty-three thousand, two hundred fifty-two".