451925629 has 2 divisors, whose sum is σ = 451925630. Its totient is φ = 451925628.

The previous prime is 451925609. The next prime is 451925641. The reversal of 451925629 is 926529154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438064900 + 13860729 = 20930^2 + 3723^2 .

It is a cyclic number.

It is not a de Polignac number, because 451925629 - 2¹¹ = 451923581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451925609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225962814 + 225962815.

It is an arithmetic number, because the mean of its divisors is an integer number (225962815).

Almost surely, 2^451925629 is an apocalyptic number.

It is an amenable number.

451925629 is a deficient number, since it is larger than the sum of its proper divisors (1).

451925629 is an equidigital number, since it uses as much as digits as its factorization.

451925629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 43.

The square root of 451925629 is about 21258.5424947243. The cubic root of 451925629 is about 767.4009344916.

The spelling of 451925629 in words is "four hundred fifty-one million, nine hundred twenty-five thousand, six hundred twenty-nine".