425117500 has 30 divisors (see below), whose sum is σ = 929652416. Its totient is φ = 170046000.

The previous prime is 425117443. The next prime is 425117501. The reversal of 425117500 is 5711524.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425117501) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 82524 + ... + 87523.

Almost surely, 2^425117500 is an apocalyptic number.

It is an amenable number.

425117500 is an abundant number, since it is smaller than the sum of its proper divisors (504534916).

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

425117500 is a wasteful number, since it uses less digits than its factorization.

425117500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170071 (or 170054 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 425117500 is about 20618.3777247387. The cubic root of 425117500 is about 751.9165796064.

The spelling of 425117500 in words is "four hundred twenty-five million, one hundred seventeen thousand, five hundred".