253645141 has 2 divisors, whose sum is σ = 253645142. Its totient is φ = 253645140.

The previous prime is 253645123. The next prime is 253645153. The reversal of 253645141 is 141546352.

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., 186896241 + 66748900 = 13671^2 + 8170^2 .

It is a cyclic number.

It is not a de Polignac number, because 253645141 - 2⁵ = 253645109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253645181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126822570 + 126822571.

It is an arithmetic number, because the mean of its divisors is an integer number (126822571).

Almost surely, 2^253645141 is an apocalyptic number.

It is an amenable number.

253645141 is a deficient number, since it is larger than the sum of its proper divisors (1).

253645141 is an equidigital number, since it uses as much as digits as its factorization.

253645141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 253645141 is about 15926.2406424115. The cubic root of 253645141 is about 633.0074903424.

The spelling of 253645141 in words is "two hundred fifty-three million, six hundred forty-five thousand, one hundred forty-one".