252040316 has 12 divisors (see below), whose sum is σ = 481167960. Its totient is φ = 114563760.

The previous prime is 252040307. The next prime is 252040333. The reversal of 252040316 is 613040252.

It is a junction number, because it is equal to n+sod(n) for n = 252040291 and 252040300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2864051 + ... + 2864138.

It is an arithmetic number, because the mean of its divisors is an integer number (40097330).

Almost surely, 2^252040316 is an apocalyptic number.

It is an amenable number.

252040316 is a deficient number, since it is larger than the sum of its proper divisors (229127644).

252040316 is a wasteful number, since it uses less digits than its factorization.

252040316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728204 (or 5728202 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 252040316 is about 15875.7776502444. Note that the first 3 decimals coincide. The cubic root of 252040316 is about 631.6696418787.

Adding to 252040316 its reverse (613040252), we get a palindrome (865080568).

The spelling of 252040316 in words is "two hundred fifty-two million, forty thousand, three hundred sixteen".