52454251 has 2 divisors, whose sum is σ = 52454252. Its totient is φ = 52454250.

The previous prime is 52454239. The next prime is 52454279. The reversal of 52454251 is 15245425.

It is an a-pointer prime, because the next prime (52454279) can be obtained adding 52454251 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52454251 - 2¹⁵ = 52421483 is a prime.

It is not a weakly prime, because it can be changed into another prime (52454221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26227125 + 26227126.

It is an arithmetic number, because the mean of its divisors is an integer number (26227126).

Almost surely, 2^52454251 is an apocalyptic number.

52454251 is a deficient number, since it is larger than the sum of its proper divisors (1).

52454251 is an equidigital number, since it uses as much as digits as its factorization.

52454251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8000, while the sum is 28.

The square root of 52454251 is about 7242.5307041117. The cubic root of 52454251 is about 374.3348231741.

Adding to 52454251 its reverse (15245425), we get a palindrome (67699676).

The spelling of 52454251 in words is "fifty-two million, four hundred fifty-four thousand, two hundred fifty-one".