253725293 has 2 divisors, whose sum is σ = 253725294. Its totient is φ = 253725292.

The previous prime is 253725287. The next prime is 253725301. The reversal of 253725293 is 392527352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187498249 + 66227044 = 13693^2 + 8138^2 .

It is a cyclic number.

It is not a de Polignac number, because 253725293 - 2⁶ = 253725229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253725203) 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 as a sum of consecutive naturals, namely, 126862646 + 126862647.

It is an arithmetic number, because the mean of its divisors is an integer number (126862647).

Almost surely, 2^253725293 is an apocalyptic number.

It is an amenable number.

253725293 is a deficient number, since it is larger than the sum of its proper divisors (1).

253725293 is an equidigital number, since it uses as much as digits as its factorization.

253725293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 38.

The square root of 253725293 is about 15928.7567939246. The cubic root of 253725293 is about 633.0741602220.

The spelling of 253725293 in words is "two hundred fifty-three million, seven hundred twenty-five thousand, two hundred ninety-three".