252774000 has 320 divisors, whose sum is σ = 940892160. Its totient is φ = 64800000.

The previous prime is 252773999. The next prime is 252774007. The reversal of 252774000 is 477252.

252774000 is a `hidden beast` number, since 252 + 7 + 7 + 400 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252774007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1673925 + ... + 1674075.

It is an arithmetic number, because the mean of its divisors is an integer number (2940288).

Almost surely, 2^252774000 is an apocalyptic number.

252774000 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 252774000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470446080).

252774000 is an abundant number, since it is smaller than the sum of its proper divisors (688118160).

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

252774000 is a wasteful number, since it uses less digits than its factorization.

252774000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 252774000 is about 15898.8678842237. The cubic root of 252774000 is about 632.2819737323.

The spelling of 252774000 in words is "two hundred fifty-two million, seven hundred seventy-four thousand".