52451629 has 2 divisors, whose sum is σ = 52451630. Its totient is φ = 52451628.

The previous prime is 52451627. The next prime is 52451639. The reversal of 52451629 is 92615425.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31337604 + 21114025 = 5598^2 + 4595^2 .

It is a cyclic number.

It is not a de Polignac number, because 52451629 - 2¹ = 52451627 is a prime.

Together with 52451627, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 52451594 and 52451603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52451627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26225814 + 26225815.

It is an arithmetic number, because the mean of its divisors is an integer number (26225815).

Almost surely, 2^52451629 is an apocalyptic number.

It is an amenable number.

52451629 is a deficient number, since it is larger than the sum of its proper divisors (1).

52451629 is an equidigital number, since it uses as much as digits as its factorization.

52451629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 52451629 is about 7242.3496877740. The cubic root of 52451629 is about 374.3285858515.

The spelling of 52451629 in words is "fifty-two million, four hundred fifty-one thousand, six hundred twenty-nine".