252945478502 has 8 divisors (see below), whose sum is σ = 379424827800. Its totient is φ = 126470535904.

The previous prime is 252945478501. The next prime is 252945478519. The reversal of 252945478502 is 205874549252.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252945478501) 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, 954227 + ... + 1190142.

It is an arithmetic number, because the mean of its divisors is an integer number (47428103475).

Almost surely, 2^252945478502 is an apocalyptic number.

252945478502 is a deficient number, since it is larger than the sum of its proper divisors (126479349298).

252945478502 is a wasteful number, since it uses less digits than its factorization.

252945478502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203350.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 252945478502 in words is "two hundred fifty-two billion, nine hundred forty-five million, four hundred seventy-eight thousand, five hundred two".