52450451 has 2 divisors, whose sum is σ = 52450452. Its totient is φ = 52450450.

The previous prime is 52450441. The next prime is 52450471. The reversal of 52450451 is 15405425.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52450451 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52450451.

It is not a weakly prime, because it can be changed into another prime (52450441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26225225 + 26225226.

It is an arithmetic number, because the mean of its divisors is an integer number (26225226).

Almost surely, 2^52450451 is an apocalyptic number.

52450451 is a deficient number, since it is larger than the sum of its proper divisors (1).

52450451 is an equidigital number, since it uses as much as digits as its factorization.

52450451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 52450451 is about 7242.2683601203. The cubic root of 52450451 is about 374.3257835084.

Adding to 52450451 its reverse (15405425), we get a palindrome (67855876).

The spelling of 52450451 in words is "fifty-two million, four hundred fifty thousand, four hundred fifty-one".