252060709 has 8 divisors (see below), whose sum is σ = 253388952. Its totient is φ = 250736640.

The previous prime is 252060701. The next prime is 252060733. The reversal of 252060709 is 907060252.

It can be written as a sum of positive squares in 4 ways, for example, as 27720225 + 224340484 = 5265^2 + 14978^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252060709 - 2³ = 252060701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252060701) 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 7 ways as a sum of consecutive naturals, for example, 237039 + ... + 238099.

It is an arithmetic number, because the mean of its divisors is an integer number (31673619).

Almost surely, 2^252060709 is an apocalyptic number.

It is an amenable number.

252060709 is a deficient number, since it is larger than the sum of its proper divisors (1328243).

252060709 is a wasteful number, since it uses less digits than its factorization.

252060709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 252060709 is about 15876.4199050038. The cubic root of 252060709 is about 631.6866778987.

The spelling of 252060709 in words is "two hundred fifty-two million, sixty thousand, seven hundred nine".