425052250 has 32 divisors (see below), whose sum is σ = 909372672. Its totient is φ = 145731600.

The previous prime is 425052239. The next prime is 425052269. The reversal of 425052250 is 52250524.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119694 + ... + 123193.

It is an arithmetic number, because the mean of its divisors is an integer number (28417896).

Almost surely, 2^425052250 is an apocalyptic number.

425052250 is an abundant number, since it is smaller than the sum of its proper divisors (484320422).

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

425052250 is a wasteful number, since it uses less digits than its factorization.

425052250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242911 (or 242901 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 425052250 is about 20616.7953377823. The cubic root of 425052250 is about 751.8781078370.

The spelling of 425052250 in words is "four hundred twenty-five million, fifty-two thousand, two hundred fifty".