253532417 has 2 divisors, whose sum is σ = 253532418. Its totient is φ = 253532416.

The previous prime is 253532393. The next prime is 253532437. The reversal of 253532417 is 714235352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161391616 + 92140801 = 12704^2 + 9599^2 .

It is a cyclic number.

It is not a de Polignac number, because 253532417 - 2⁸ = 253532161 is a prime.

It is not a weakly prime, because it can be changed into another prime (253532437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126766208 + 126766209.

It is an arithmetic number, because the mean of its divisors is an integer number (126766209).

Almost surely, 2^253532417 is an apocalyptic number.

It is an amenable number.

253532417 is a deficient number, since it is larger than the sum of its proper divisors (1).

253532417 is an equidigital number, since it uses as much as digits as its factorization.

253532417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 32.

The square root of 253532417 is about 15922.7013097652. The cubic root of 253532417 is about 632.9137035279.

Adding to 253532417 its reverse (714235352), we get a palindrome (967767769).

The spelling of 253532417 in words is "two hundred fifty-three million, five hundred thirty-two thousand, four hundred seventeen".