431425373 has 4 divisors (see below), whose sum is σ = 446302140. Its totient is φ = 416548608.

The previous prime is 431425369. The next prime is 431425483. The reversal of 431425373 is 373524134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 182196004 + 249229369 = 13498^2 + 15787^2 .

It is a cyclic number.

It is not a de Polignac number, because 431425373 - 2² = 431425369 is a prime.

It is a super-2 number, since 2×431425373² = 372255704936378258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431425333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7438340 + ... + 7438397.

It is an arithmetic number, because the mean of its divisors is an integer number (111575535).

Almost surely, 2^431425373 is an apocalyptic number.

It is an amenable number.

431425373 is a deficient number, since it is larger than the sum of its proper divisors (14876767).

431425373 is a wasteful number, since it uses less digits than its factorization.

431425373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14876766.

The product of its digits is 30240, while the sum is 32.

The square root of 431425373 is about 20770.7817137439. The cubic root of 431425373 is about 755.6173031339.

The spelling of 431425373 in words is "four hundred thirty-one million, four hundred twenty-five thousand, three hundred seventy-three".