431411525 has 6 divisors (see below), whose sum is σ = 534950322. Its totient is φ = 345129200.

The previous prime is 431411489. The next prime is 431411551. The reversal of 431411525 is 525114134.

It can be written as a sum of positive squares in 3 ways, for example, as 516961 + 430894564 = 719^2 + 20758^2 .

It is not a de Polignac number, because 431411525 - 2⁸ = 431411269 is a prime.

It is a super-2 number, since 2×431411525² = 372231807805651250, 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 = 431411494 and 431411503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8628206 + ... + 8628255.

It is an arithmetic number, because the mean of its divisors is an integer number (89158387).

Almost surely, 2^431411525 is an apocalyptic number.

It is an amenable number.

431411525 is a deficient number, since it is larger than the sum of its proper divisors (103538797).

431411525 is a wasteful number, since it uses less digits than its factorization.

431411525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17256471 (or 17256466 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 431411525 is about 20770.4483581843. The cubic root of 431411525 is about 755.6092183827.

Adding to 431411525 its reverse (525114134), we get a palindrome (956525659).

The spelling of 431411525 in words is "four hundred thirty-one million, four hundred eleven thousand, five hundred twenty-five".