252473505 has 8 divisors (see below), whose sum is σ = 403957632. Its totient is φ = 134652528.

The previous prime is 252473491. The next prime is 252473513. The reversal of 252473505 is 505374252.

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

It is not a de Polignac number, because 252473505 - 2⁹ = 252472993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8415769 + ... + 8415798.

It is an arithmetic number, because the mean of its divisors is an integer number (50494704).

Almost surely, 2^252473505 is an apocalyptic number.

It is an amenable number.

252473505 is a deficient number, since it is larger than the sum of its proper divisors (151484127).

252473505 is a wasteful number, since it uses less digits than its factorization.

252473505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16831575.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 252473505 is about 15889.4148728013. The cubic root of 252473505 is about 632.0313243901.

The spelling of 252473505 in words is "two hundred fifty-two million, four hundred seventy-three thousand, five hundred five".