252474747 has 16 divisors (see below), whose sum is σ = 391246080. Its totient is φ = 141825312.

The previous prime is 252474737. The next prime is 252474751. The reversal of 252474747 is 747474252.

It is not a de Polignac number, because 252474747 - 2⁴ = 252474731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252474699 and 252474708.

It is not an unprimeable number, because it can be changed into a prime (252474707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100648 + ... + 103125.

It is an arithmetic number, because the mean of its divisors is an integer number (24452880).

Almost surely, 2^252474747 is an apocalyptic number.

252474747 is a deficient number, since it is larger than the sum of its proper divisors (138771333).

252474747 is a wasteful number, since it uses less digits than its factorization.

252474747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203842.

The product of its digits is 439040, while the sum is 42.

The square root of 252474747 is about 15889.4539553756. The cubic root of 252474747 is about 632.0323607782.

The spelling of 252474747 in words is "two hundred fifty-two million, four hundred seventy-four thousand, seven hundred forty-seven".