10639451 has 2 divisors, whose sum is σ = 10639452. Its totient is φ = 10639450.

The previous prime is 10639439. The next prime is 10639463. The reversal of 10639451 is 15493601.

It is a balanced prime because it is at equal distance from previous prime (10639439) and next prime (10639463).

It is an emirp because it is prime and its reverse (15493601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10639451 - 2¹⁸ = 10377307 is a prime.

It is a super-2 number, since 2×10639451² = 226395835162802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10639481) 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, 5319725 + 5319726.

It is an arithmetic number, because the mean of its divisors is an integer number (5319726).

Almost surely, 2^10639451 is an apocalyptic number.

10639451 is a deficient number, since it is larger than the sum of its proper divisors (1).

10639451 is an equidigital number, since it uses as much as digits as its factorization.

10639451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 10639451 is about 3261.8171316001. The cubic root of 10639451 is about 219.9411068255.

The spelling of 10639451 in words is "ten million, six hundred thirty-nine thousand, four hundred fifty-one".