253315541 has 2 divisors, whose sum is σ = 253315542. Its totient is φ = 253315540.

The previous prime is 253315501. The next prime is 253315547. The reversal of 253315541 is 145513352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202492900 + 50822641 = 14230^2 + 7129^2 .

It is a cyclic number.

It is not a de Polignac number, because 253315541 - 2¹⁴ = 253299157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253315547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126657770 + 126657771.

It is an arithmetic number, because the mean of its divisors is an integer number (126657771).

Almost surely, 2^253315541 is an apocalyptic number.

It is an amenable number.

253315541 is a deficient number, since it is larger than the sum of its proper divisors (1).

253315541 is an equidigital number, since it uses as much as digits as its factorization.

253315541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 253315541 is about 15915.8895761437. The cubic root of 253315541 is about 632.7331836140.

Adding to 253315541 its reverse (145513352), we get a palindrome (398828893).

The spelling of 253315541 in words is "two hundred fifty-three million, three hundred fifteen thousand, five hundred forty-one".