655327451 has 2 divisors, whose sum is σ = 655327452. Its totient is φ = 655327450.

The previous prime is 655327427. The next prime is 655327459. The reversal of 655327451 is 154723556.

It is a happy number.

655327451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655327451 is a prime.

It is not a weakly prime, because it can be changed into another prime (655327459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327663725 + 327663726.

It is an arithmetic number, because the mean of its divisors is an integer number (327663726).

Almost surely, 2^655327451 is an apocalyptic number.

655327451 is a deficient number, since it is larger than the sum of its proper divisors (1).

655327451 is an equidigital number, since it uses as much as digits as its factorization.

655327451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 38.

The square root of 655327451 is about 25599.3642694501. The cubic root of 655327451 is about 868.5992569325.

The spelling of 655327451 in words is "six hundred fifty-five million, three hundred twenty-seven thousand, four hundred fifty-one".