425369451 has 12 divisors (see below), whose sum is σ = 614143608. Its totient is φ = 261765504.

The previous prime is 425369447. The next prime is 425369453. The reversal of 425369451 is 154963524.

It is not a de Polignac number, because 425369451 - 2² = 425369447 is a prime.

It is a super-4 number, since 4×425369451⁴ (a number of 36 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (425369453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418990 + ... + 420003.

It is an arithmetic number, because the mean of its divisors is an integer number (51178634).

Almost surely, 2^425369451 is an apocalyptic number.

425369451 is a deficient number, since it is larger than the sum of its proper divisors (188774157).

425369451 is a wasteful number, since it uses less digits than its factorization.

425369451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839022 (or 839009 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 425369451 is about 20624.4866845214. The cubic root of 425369451 is about 752.0650944057.

The spelling of 425369451 in words is "four hundred twenty-five million, three hundred sixty-nine thousand, four hundred fifty-one".