252478455 has 16 divisors (see below), whose sum is σ = 404162784. Its totient is φ = 134589440.

The previous prime is 252478453. The next prime is 252478459. The reversal of 252478455 is 554874252.

It is not a de Polignac number, because 252478455 - 2¹ = 252478453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252478453) 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, 56047 + ... + 60383.

It is an arithmetic number, because the mean of its divisors is an integer number (25260174).

Almost surely, 2^252478455 is an apocalyptic number.

252478455 is a deficient number, since it is larger than the sum of its proper divisors (151684329).

252478455 is a wasteful number, since it uses less digits than its factorization.

252478455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8226.

The product of its digits is 448000, while the sum is 42.

The square root of 252478455 is about 15889.5706361122. The cubic root of 252478455 is about 632.0354549022.

The spelling of 252478455 in words is "two hundred fifty-two million, four hundred seventy-eight thousand, four hundred fifty-five".