252305071 has 4 divisors (see below), whose sum is σ = 257673312. Its totient is φ = 246936832.

The previous prime is 252305059. The next prime is 252305077. The reversal of 252305071 is 170503252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252305071 - 2¹⁹ = 251780783 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 (252305077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684050 + ... + 2684143.

It is an arithmetic number, because the mean of its divisors is an integer number (64418328).

Almost surely, 2^252305071 is an apocalyptic number.

252305071 is a deficient number, since it is larger than the sum of its proper divisors (5368241).

252305071 is an equidigital number, since it uses as much as digits as its factorization.

252305071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5368240.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 252305071 is about 15884.1137933471. The cubic root of 252305071 is about 631.8907429770.

The spelling of 252305071 in words is "two hundred fifty-two million, three hundred five thousand, seventy-one".