252505701 has 16 divisors (see below), whose sum is σ = 427523200. Its totient is φ = 144288864.

The previous prime is 252505691. The next prime is 252505703. The reversal of 252505701 is 107505252.

It is a happy number.

It is not a de Polignac number, because 252505701 - 2¹⁴ = 252489317 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252505703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667816 + ... + 668193.

It is an arithmetic number, because the mean of its divisors is an integer number (26720200).

Almost surely, 2^252505701 is an apocalyptic number.

252505701 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

252505701 is a deficient number, since it is larger than the sum of its proper divisors (175017499).

252505701 is a wasteful number, since it uses less digits than its factorization.

252505701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336025 (or 1336019 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 252505701 is about 15890.4279678050. The cubic root of 252505701 is about 632.0581892759.

The spelling of 252505701 in words is "two hundred fifty-two million, five hundred five thousand, seven hundred one".