253412250 has 256 divisors, whose sum is σ = 805109760. Its totient is φ = 51667200.

The previous prime is 253412249. The next prime is 253412279. The reversal of 253412250 is 52214352.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 253412250.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3207711 + ... + 3207789.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 2^253412250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253412250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402554880).

253412250 is an abundant number, since it is smaller than the sum of its proper divisors (551697510).

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

253412250 is a wasteful number, since it uses less digits than its factorization.

253412250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 253412250 is about 15918.9274136168. The cubic root of 253412250 is about 632.8136934896.

The spelling of 253412250 in words is "two hundred fifty-three million, four hundred twelve thousand, two hundred fifty".