252691783 has 2 divisors, whose sum is σ = 252691784. Its totient is φ = 252691782.

The previous prime is 252691771. The next prime is 252691793. The reversal of 252691783 is 387196252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252691783 - 2¹³ = 252683591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252691793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126345891 + 126345892.

It is an arithmetic number, because the mean of its divisors is an integer number (126345892).

Almost surely, 2^252691783 is an apocalyptic number.

252691783 is a deficient number, since it is larger than the sum of its proper divisors (1).

252691783 is an equidigital number, since it uses as much as digits as its factorization.

252691783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 252691783 is about 15896.2820495863. The cubic root of 252691783 is about 632.2134145132.

The spelling of 252691783 in words is "two hundred fifty-two million, six hundred ninety-one thousand, seven hundred eighty-three".