452216477 has 2 divisors, whose sum is σ = 452216478. Its totient is φ = 452216476.

The previous prime is 452216417. The next prime is 452216483. The reversal of 452216477 is 774612254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249039961 + 203176516 = 15781^2 + 14254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452216477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 452216477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452216407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226108238 + 226108239.

It is an arithmetic number, because the mean of its divisors is an integer number (226108239).

Almost surely, 2^452216477 is an apocalyptic number.

It is an amenable number.

452216477 is a deficient number, since it is larger than the sum of its proper divisors (1).

452216477 is an equidigital number, since it uses as much as digits as its factorization.

452216477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 38.

The square root of 452216477 is about 21265.3821268276. The cubic root of 452216477 is about 767.5655258524.

The spelling of 452216477 in words is "four hundred fifty-two million, two hundred sixteen thousand, four hundred seventy-seven".