53135413 has 2 divisors, whose sum is σ = 53135414. Its totient is φ = 53135412.

The previous prime is 53135399. The next prime is 53135443. The reversal of 53135413 is 31453135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31438449 + 21696964 = 5607^2 + 4658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53135413 is a prime.

It is a super-2 number, since 2×53135413² = 5646744229361138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53135443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26567706 + 26567707.

It is an arithmetic number, because the mean of its divisors is an integer number (26567707).

Almost surely, 2^53135413 is an apocalyptic number.

It is an amenable number.

53135413 is a deficient number, since it is larger than the sum of its proper divisors (1).

53135413 is an equidigital number, since it uses as much as digits as its factorization.

53135413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 25.

The square root of 53135413 is about 7289.4041594632. The cubic root of 53135413 is about 375.9482089711.

Adding to 53135413 its reverse (31453135), we get a palindrome (84588548).

The spelling of 53135413 in words is "fifty-three million, one hundred thirty-five thousand, four hundred thirteen".