425514384 has 105 divisors (see below), whose sum is σ = 1242591259. Its totient is φ = 141095520.

The previous prime is 425514377. The next prime is 425514407. The reversal of 425514384 is 483415524.

It is a happy number.

The square root of 425514384 is 20628.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2227729 + ... + 2227919.

Almost surely, 2^425514384 is an apocalyptic number.

425514384 is the 20628-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425514384

425514384 is an abundant number, since it is smaller than the sum of its proper divisors (817076875).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425514384 is an frugal number, since it uses more digits than its factorization.

425514384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 196 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The cubic root of 425514384 is about 752.1504999067.

Multiplying 425514384 by its sum of digits (36), we get a square (15318517824 = 123768²).

425514384 divided by its sum of digits (36) gives a square (11819844 = 3438²).

The spelling of 425514384 in words is "four hundred twenty-five million, five hundred fourteen thousand, three hundred eighty-four".