8749451 has 2 divisors, whose sum is σ = 8749452. Its totient is φ = 8749450.

The previous prime is 8749439. The next prime is 8749457. The reversal of 8749451 is 1549478.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8749451 is a prime.

It is not a weakly prime, because it can be changed into another prime (8749457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4374725 + 4374726.

It is an arithmetic number, because the mean of its divisors is an integer number (4374726).

Almost surely, 2^8749451 is an apocalyptic number.

8749451 is a deficient number, since it is larger than the sum of its proper divisors (1).

8749451 is an equidigital number, since it uses as much as digits as its factorization.

8749451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 8749451 is about 2957.9470921570. The cubic root of 8749451 is about 206.0599552134.

The spelling of 8749451 in words is "eight million, seven hundred forty-nine thousand, four hundred fifty-one".