452213407 has 2 divisors, whose sum is σ = 452213408. Its totient is φ = 452213406.

The previous prime is 452213393. The next prime is 452213483. The reversal of 452213407 is 704312254.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452213407 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 (452213207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226106703 + 226106704.

It is an arithmetic number, because the mean of its divisors is an integer number (226106704).

Almost surely, 2^452213407 is an apocalyptic number.

452213407 is a deficient number, since it is larger than the sum of its proper divisors (1).

452213407 is an equidigital number, since it uses as much as digits as its factorization.

452213407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 452213407 is about 21265.3099436618. The cubic root of 452213407 is about 767.5637889029.

The spelling of 452213407 in words is "four hundred fifty-two million, two hundred thirteen thousand, four hundred seven".