425354250 has 64 divisors (see below), whose sum is σ = 1074632832. Its totient is φ = 112044800.

The previous prime is 425354231. The next prime is 425354269. The reversal of 425354250 is 52453524.

It is an interprime number because it is at equal distance from previous prime (425354231) and next prime (425354269).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58834 + ... + 65666.

It is an arithmetic number, because the mean of its divisors is an integer number (16791138).

Almost surely, 2^425354250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425354250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537316416).

425354250 is an abundant number, since it is smaller than the sum of its proper divisors (649278582).

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

425354250 is a wasteful number, since it uses less digits than its factorization.

425354250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936 (or 6926 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 425354250 is about 20624.1181629664. The cubic root of 425354250 is about 752.0561357012.

The spelling of 425354250 in words is "four hundred twenty-five million, three hundred fifty-four thousand, two hundred fifty".