425421514 has 32 divisors (see below), whose sum is σ = 774904320. Its totient is φ = 171101808.

The previous prime is 425421473. The next prime is 425421539. The reversal of 425421514 is 415124524.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20989 + ... + 35935.

It is an arithmetic number, because the mean of its divisors is an integer number (24215760).

Almost surely, 2^425421514 is an apocalyptic number.

425421514 is a deficient number, since it is larger than the sum of its proper divisors (349482806).

425421514 is a wasteful number, since it uses less digits than its factorization.

425421514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15082.

The product of its digits is 6400, while the sum is 28.

The square root of 425421514 is about 20625.7488106493. The cubic root of 425421514 is about 752.0957761010.

The spelling of 425421514 in words is "four hundred twenty-five million, four hundred twenty-one thousand, five hundred fourteen".