253375000 has 56 divisors (see below), whose sum is σ = 594133020. Its totient is φ = 101300000.

The previous prime is 253374991. The next prime is 253375007. The reversal of 253375000 is 573352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253375007) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 123987 + ... + 126013.

Almost surely, 2^253375000 is an apocalyptic number.

253375000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253375000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297066510).

253375000 is an abundant number, since it is smaller than the sum of its proper divisors (340758020).

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

253375000 is an frugal number, since it uses more digits than its factorization.

253375000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2034 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 253375000 is about 15917.7573797316. The cubic root of 253375000 is about 632.7826854317.

The spelling of 253375000 in words is "two hundred fifty-three million, three hundred seventy-five thousand".