252819402 has 16 divisors (see below), whose sum is σ = 551606112. Its totient is φ = 76611920.

The previous prime is 252819401. The next prime is 252819431. The reversal of 252819402 is 204918252.

252819402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (252819401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915233 + ... + 1915364.

It is an arithmetic number, because the mean of its divisors is an integer number (34475382).

Almost surely, 2^252819402 is an apocalyptic number.

252819402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252819402 is an abundant number, since it is smaller than the sum of its proper divisors (298786710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252819402 is a wasteful number, since it uses less digits than its factorization.

252819402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830613.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 252819402 is about 15900.2956576285. The cubic root of 252819402 is about 632.3198272399.

The spelling of 252819402 in words is "two hundred fifty-two million, eight hundred nineteen thousand, four hundred two".