252555447 has 16 divisors (see below), whose sum is σ = 340502400. Its totient is φ = 166500000.

The previous prime is 252555437. The next prime is 252555473. The reversal of 252555447 is 744555252.

It is not a de Polignac number, because 252555447 - 2⁴ = 252555431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252555427) 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, 111072 + ... + 113322.

It is an arithmetic number, because the mean of its divisors is an integer number (21281400).

Almost surely, 2^252555447 is an apocalyptic number.

252555447 is a deficient number, since it is larger than the sum of its proper divisors (87946953).

252555447 is a wasteful number, since it uses less digits than its factorization.

252555447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654.

The product of its digits is 280000, while the sum is 39.

The square root of 252555447 is about 15891.9931726640. The cubic root of 252555447 is about 632.0996936881.

The spelling of 252555447 in words is "two hundred fifty-two million, five hundred fifty-five thousand, four hundred forty-seven".