452209451 has 2 divisors, whose sum is σ = 452209452. Its totient is φ = 452209450.

The previous prime is 452209427. The next prime is 452209517. The reversal of 452209451 is 154902254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 452209451 - 2²² = 448015147 is a prime.

It is not a weakly prime, because it can be changed into another prime (452205451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226104725 + 226104726.

It is an arithmetic number, because the mean of its divisors is an integer number (226104726).

Almost surely, 2^452209451 is an apocalyptic number.

452209451 is a deficient number, since it is larger than the sum of its proper divisors (1).

452209451 is an equidigital number, since it uses as much as digits as its factorization.

452209451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 452209451 is about 21265.2169281200. The cubic root of 452209451 is about 767.5615506594.

The spelling of 452209451 in words is "four hundred fifty-two million, two hundred nine thousand, four hundred fifty-one".