252737873 has 2 divisors, whose sum is σ = 252737874. Its totient is φ = 252737872.

The previous prime is 252737809. The next prime is 252737921. The reversal of 252737873 is 378737252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246866944 + 5870929 = 15712^2 + 2423^2 .

It is a cyclic number.

It is not a de Polignac number, because 252737873 - 2⁶ = 252737809 is a prime.

It is not a weakly prime, because it can be changed into another prime (252737803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126368936 + 126368937.

It is an arithmetic number, because the mean of its divisors is an integer number (126368937).

Almost surely, 2^252737873 is an apocalyptic number.

It is an amenable number.

252737873 is a deficient number, since it is larger than the sum of its proper divisors (1).

252737873 is an equidigital number, since it uses as much as digits as its factorization.

252737873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 493920, while the sum is 44.

The square root of 252737873 is about 15897.7316935467. The cubic root of 252737873 is about 632.2518499337.

The spelling of 252737873 in words is "two hundred fifty-two million, seven hundred thirty-seven thousand, eight hundred seventy-three".