252078750 has 320 divisors, whose sum is σ = 881717760. Its totient is φ = 51840000.

The previous prime is 252078731. The next prime is 252078751. The reversal of 252078750 is 57870252.

252078750 is a `hidden beast` number, since 2 + 520 + 7 + 87 + 50 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252078751) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2598702 + ... + 2598798.

It is an arithmetic number, because the mean of its divisors is an integer number (2755368).

Almost surely, 2^252078750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252078750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440858880).

252078750 is an abundant number, since it is smaller than the sum of its proper divisors (629639010).

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

252078750 is a wasteful number, since it uses less digits than its factorization.

252078750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 252078750 is about 15876.9880644913. The cubic root of 252078750 is about 631.7017483256.

The spelling of 252078750 in words is "two hundred fifty-two million, seventy-eight thousand, seven hundred fifty".