252266070 has 128 divisors (see below), whose sum is σ = 747325440. Its totient is φ = 53222400.

The previous prime is 252266029. The next prime is 252266081. The reversal of 252266070 is 70662252.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139170 + ... + 140970.

It is an arithmetic number, because the mean of its divisors is an integer number (5838480).

Almost surely, 2^252266070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252266070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373662720).

252266070 is an abundant number, since it is smaller than the sum of its proper divisors (495059370).

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

252266070 is a wasteful number, since it uses less digits than its factorization.

252266070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 252266070 is about 15882.8860727514. The cubic root of 252266070 is about 631.8581823409.

The spelling of 252266070 in words is "two hundred fifty-two million, two hundred sixty-six thousand, seventy".