253542253 has 2 divisors, whose sum is σ = 253542254. Its totient is φ = 253542252.

The previous prime is 253542227. The next prime is 253542259. The reversal of 253542253 is 352245352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253541929 + 324 = 15923^2 + 18^2 .

It is a cyclic number.

It is not a de Polignac number, because 253542253 - 2⁹ = 253541741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253542259) 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, 126771126 + 126771127.

It is an arithmetic number, because the mean of its divisors is an integer number (126771127).

Almost surely, 2^253542253 is an apocalyptic number.

It is an amenable number.

253542253 is a deficient number, since it is larger than the sum of its proper divisors (1).

253542253 is an equidigital number, since it uses as much as digits as its factorization.

253542253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 31.

The square root of 253542253 is about 15923.0101739589. The cubic root of 253542253 is about 632.9218882257.

The spelling of 253542253 in words is "two hundred fifty-three million, five hundred forty-two thousand, two hundred fifty-three".