425024250 has 128 divisors (see below), whose sum is σ = 1230128640. Its totient is φ = 95731200.

The previous prime is 425024231. The next prime is 425024269. The reversal of 425024250 is 52420524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (425024231) and next prime (425024269).

It is a super-2 number, since 2×425024250² = 361291226176125000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425024250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 382696 + ... + 383804.

It is an arithmetic number, because the mean of its divisors is an integer number (9610380).

Almost surely, 2^425024250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425024250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615064320).

425024250 is an abundant number, since it is smaller than the sum of its proper divisors (805104390).

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

425024250 is a wasteful number, since it uses less digits than its factorization.

425024250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 425024250 is about 20616.1162685895. The cubic root of 425024250 is about 751.8615976713.

Adding to 425024250 its reverse (52420524), we get a palindrome (477444774).

The spelling of 425024250 in words is "four hundred twenty-five million, twenty-four thousand, two hundred fifty".