453961997 has 2 divisors, whose sum is σ = 453961998. Its totient is φ = 453961996.

The previous prime is 453961993. The next prime is 453962011. The reversal of 453961997 is 799169354.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439070116 + 14891881 = 20954^2 + 3859^2 .

It is a cyclic number.

It is not a de Polignac number, because 453961997 - 2² = 453961993 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453961993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226980998 + 226980999.

It is an arithmetic number, because the mean of its divisors is an integer number (226980999).

Almost surely, 2^453961997 is an apocalyptic number.

It is an amenable number.

453961997 is a deficient number, since it is larger than the sum of its proper divisors (1).

453961997 is an equidigital number, since it uses as much as digits as its factorization.

453961997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 53.

The square root of 453961997 is about 21306.3839494176. The cubic root of 453961997 is about 768.5518387429.

The spelling of 453961997 in words is "four hundred fifty-three million, nine hundred sixty-one thousand, nine hundred ninety-seven".