253523250 has 192 divisors, whose sum is σ = 745355520. Its totient is φ = 63756000.

The previous prime is 253523203. The next prime is 253523323. The reversal of 253523250 is 52325352.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3570715 + ... + 3570785.

It is an arithmetic number, because the mean of its divisors is an integer number (3882060).

Almost surely, 2^253523250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253523250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372677760).

253523250 is an abundant number, since it is smaller than the sum of its proper divisors (491832270).

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

253523250 is a wasteful number, since it uses less digits than its factorization.

253523250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 253523250 is about 15922.4134477158. The cubic root of 253523250 is about 632.9060753254.

The spelling of 253523250 in words is "two hundred fifty-three million, five hundred twenty-three thousand, two hundred fifty".