53235451 has 2 divisors, whose sum is σ = 53235452. Its totient is φ = 53235450.

The previous prime is 53235437. The next prime is 53235461. The reversal of 53235451 is 15453235.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53235451 is a prime.

It is not a weakly prime, because it can be changed into another prime (53235461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26617725 + 26617726.

It is an arithmetic number, because the mean of its divisors is an integer number (26617726).

Almost surely, 2^53235451 is an apocalyptic number.

53235451 is a deficient number, since it is larger than the sum of its proper divisors (1).

53235451 is an equidigital number, since it uses as much as digits as its factorization.

53235451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 28.

The square root of 53235451 is about 7296.2628105079. The cubic root of 53235451 is about 376.1839935276.

Adding to 53235451 its reverse (15453235), we get a palindrome (68688686).

It can be divided in two parts, 53235 and 451, that multiplied together give a triangular number (24008985 = T₆₉₂₉).

The spelling of 53235451 in words is "fifty-three million, two hundred thirty-five thousand, four hundred fifty-one".