454633997 has 2 divisors, whose sum is σ = 454633998. Its totient is φ = 454633996.

The previous prime is 454633987. The next prime is 454634017. The reversal of 454633997 is 799336454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269156836 + 185477161 = 16406^2 + 13619^2 .

It is a cyclic number.

It is not a de Polignac number, because 454633997 - 2⁴ = 454633981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454633937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227316998 + 227316999.

It is an arithmetic number, because the mean of its divisors is an integer number (227316999).

Almost surely, 2^454633997 is an apocalyptic number.

It is an amenable number.

454633997 is a deficient number, since it is larger than the sum of its proper divisors (1).

454633997 is an equidigital number, since it uses as much as digits as its factorization.

454633997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 50.

The square root of 454633997 is about 21322.1480390696. The cubic root of 454633997 is about 768.9308808995.

The spelling of 454633997 in words is "four hundred fifty-four million, six hundred thirty-three thousand, nine hundred ninety-seven".