413540431 has 4 divisors (see below), whose sum is σ = 418775200. Its totient is φ = 408305664.

The previous prime is 413540399. The next prime is 413540443. The reversal of 413540431 is 134045314.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 413540431 - 2⁵ = 413540399 is a prime.

It is a super-2 number, since 2×413540431² = 342031376143331522, 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 = 413540396 and 413540405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413540461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617266 + ... + 2617423.

It is an arithmetic number, because the mean of its divisors is an integer number (104693800).

Almost surely, 2^413540431 is an apocalyptic number.

413540431 is a deficient number, since it is larger than the sum of its proper divisors (5234769).

413540431 is an equidigital number, since it uses as much as digits as its factorization.

413540431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5234768.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 413540431 is about 20335.6935214907. The cubic root of 413540431 is about 745.0281093849.

Adding to 413540431 its reverse (134045314), we get a palindrome (547585745).

The spelling of 413540431 in words is "four hundred thirteen million, five hundred forty thousand, four hundred thirty-one".