10399451 has 2 divisors, whose sum is σ = 10399452. Its totient is φ = 10399450.

The previous prime is 10399447. The next prime is 10399531. The reversal of 10399451 is 15499301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10399451 - 2² = 10399447 is a prime.

It is a super-2 number, since 2×10399451² = 216297162202802, which contains 22 as substring.

It is a Chen prime.

It is equal to p₆₈₉₃₅₁ and since 10399451 and 689351 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (10399751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5199725 + 5199726.

It is an arithmetic number, because the mean of its divisors is an integer number (5199726).

Almost surely, 2^10399451 is an apocalyptic number.

10399451 is a deficient number, since it is larger than the sum of its proper divisors (1).

10399451 is an equidigital number, since it uses as much as digits as its factorization.

10399451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 10399451 is about 3224.8179793595. The cubic root of 10399451 is about 218.2747356812.

The spelling of 10399451 in words is "ten million, three hundred ninety-nine thousand, four hundred fifty-one".