252673387 has 2 divisors, whose sum is σ = 252673388. Its totient is φ = 252673386.

The previous prime is 252673373. The next prime is 252673411. The reversal of 252673387 is 783376252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252673387 - 2¹⁹ = 252149099 is a prime.

It is not a weakly prime, because it can be changed into another prime (252673087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126336693 + 126336694.

It is an arithmetic number, because the mean of its divisors is an integer number (126336694).

Almost surely, 2^252673387 is an apocalyptic number.

252673387 is a deficient number, since it is larger than the sum of its proper divisors (1).

252673387 is an equidigital number, since it uses as much as digits as its factorization.

252673387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 43.

The square root of 252673387 is about 15895.7034131868. The cubic root of 252673387 is about 632.1980723968.

The spelling of 252673387 in words is "two hundred fifty-two million, six hundred seventy-three thousand, three hundred eighty-seven".