53151361 has 2 divisors, whose sum is σ = 53151362. Its totient is φ = 53151360.

The previous prime is 53151359. The next prime is 53151377. The reversal of 53151361 is 16315135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34281025 + 18870336 = 5855^2 + 4344^2 .

It is a cyclic number.

It is not a de Polignac number, because 53151361 - 2¹ = 53151359 is a prime.

Together with 53151359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53151331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26575680 + 26575681.

It is an arithmetic number, because the mean of its divisors is an integer number (26575681).

Almost surely, 2^53151361 is an apocalyptic number.

It is an amenable number.

53151361 is a deficient number, since it is larger than the sum of its proper divisors (1).

53151361 is an equidigital number, since it uses as much as digits as its factorization.

53151361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1350, while the sum is 25.

The square root of 53151361 is about 7290.4979939645. The cubic root of 53151361 is about 375.9858174257.

Adding to 53151361 its reverse (16315135), we get a palindrome (69466496).

The spelling of 53151361 in words is "fifty-three million, one hundred fifty-one thousand, three hundred sixty-one".