425651250 has 80 divisors (see below), whose sum is σ = 1070657280. Its totient is φ = 112776000.

The previous prime is 425651227. The next prime is 425651251. The reversal of 425651250 is 52156524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (425651251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 835996 + ... + 836504.

It is an arithmetic number, because the mean of its divisors is an integer number (13383216).

Almost surely, 2^425651250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425651250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535328640).

425651250 is an abundant number, since it is smaller than the sum of its proper divisors (645006030).

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

425651250 is a wasteful number, since it uses less digits than its factorization.

425651250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 425651250 is about 20631.3172143710. The cubic root of 425651250 is about 752.2311339181.

The spelling of 425651250 in words is "four hundred twenty-five million, six hundred fifty-one thousand, two hundred fifty".