425971250 has 20 divisors (see below), whose sum is σ = 798442854. Its totient is φ = 170388000.

The previous prime is 425971211. The next prime is 425971253. The reversal of 425971250 is 52179524.

It can be written as a sum of positive squares in 5 ways, for example, as 17648401 + 408322849 = 4201^2 + 20207^2 .

It is a super-3 number, since 3×425971250³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 425971250.

It is not an unprimeable number, because it can be changed into a prime (425971253) 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, 169139 + ... + 171638.

Almost surely, 2^425971250 is an apocalyptic number.

425971250 is a deficient number, since it is larger than the sum of its proper divisors (372471604).

425971250 is an equidigital number, since it uses as much as digits as its factorization.

425971250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340799 (or 340784 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 425971250 is about 20639.0709577733. The cubic root of 425971250 is about 752.4195931054.

The spelling of 425971250 in words is "four hundred twenty-five million, nine hundred seventy-one thousand, two hundred fifty".