425276421 has 16 divisors (see below), whose sum is σ = 574358400. Its totient is φ = 279871488.

The previous prime is 425276389. The next prime is 425276441. The reversal of 425276421 is 124672524.

It is not a de Polignac number, because 425276421 - 2⁵ = 425276389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425276441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126085 + ... + 129413.

It is an arithmetic number, because the mean of its divisors is an integer number (35897400).

Almost surely, 2^425276421 is an apocalyptic number.

It is an amenable number.

425276421 is a deficient number, since it is larger than the sum of its proper divisors (149081979).

425276421 is a wasteful number, since it uses less digits than its factorization.

425276421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868.

The product of its digits is 26880, while the sum is 33.

The square root of 425276421 is about 20622.2312323376. The cubic root of 425276421 is about 752.0102638604.

The spelling of 425276421 in words is "four hundred twenty-five million, two hundred seventy-six thousand, four hundred twenty-one".