431425415 has 4 divisors (see below), whose sum is σ = 517710504. Its totient is φ = 345140328.

The previous prime is 431425369. The next prime is 431425483. The reversal of 431425415 is 514524134.

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 431425415 - 2²⁶ = 364316551 is a prime.

It is a super-2 number, since 2×431425415² = 372255777415844450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43142537 + ... + 43142546.

It is an arithmetic number, because the mean of its divisors is an integer number (129427626).

Almost surely, 2^431425415 is an apocalyptic number.

431425415 is a deficient number, since it is larger than the sum of its proper divisors (86285089).

431425415 is an equidigital number, since it uses as much as digits as its factorization.

431425415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86285088.

The product of its digits is 9600, while the sum is 29.

The square root of 431425415 is about 20770.7827247795. The cubic root of 431425415 is about 755.6173276541.

Adding to 431425415 its reverse (514524134), we get a palindrome (945949549).

The spelling of 431425415 in words is "four hundred thirty-one million, four hundred twenty-five thousand, four hundred fifteen".