331425453 has 4 divisors (see below), whose sum is σ = 441900608. Its totient is φ = 220950300.

The previous prime is 331425449. The next prime is 331425463. The reversal of 331425453 is 354524133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 331425453 - 2² = 331425449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331425453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331425443) 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, 55237573 + ... + 55237578.

It is an arithmetic number, because the mean of its divisors is an integer number (110475152).

Almost surely, 2^331425453 is an apocalyptic number.

It is an amenable number.

331425453 is a deficient number, since it is larger than the sum of its proper divisors (110475155).

331425453 is a wasteful number, since it uses less digits than its factorization.

331425453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110475154.

The product of its digits is 21600, while the sum is 30.

The square root of 331425453 is about 18205.0941497153. The cubic root of 331425453 is about 692.0358921152.

Adding to 331425453 its reverse (354524133), we get a palindrome (685949586).

The spelling of 331425453 in words is "three hundred thirty-one million, four hundred twenty-five thousand, four hundred fifty-three".