425420500 has 96 divisors (see below), whose sum is σ = 973260288. Its totient is φ = 162288000.

The previous prime is 425420491. The next prime is 425420509. The reversal of 425420500 is 5024524.

It is an interprime number because it is at equal distance from previous prime (425420491) and next prime (425420509).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425420509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1010290 + ... + 1010710.

It is an arithmetic number, because the mean of its divisors is an integer number (10138128).

Almost surely, 2^425420500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425420500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486630144).

425420500 is an abundant number, since it is smaller than the sum of its proper divisors (547839788).

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

425420500 is a wasteful number, since it uses less digits than its factorization.

425420500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 425420500 is about 20625.7242297089. The cubic root of 425420500 is about 752.0951785558.

The spelling of 425420500 in words is "four hundred twenty-five million, four hundred twenty thousand, five hundred".