452977289 has 2 divisors, whose sum is σ = 452977290. Its totient is φ = 452977288.

The previous prime is 452977207. The next prime is 452977333. The reversal of 452977289 is 982779254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396607225 + 56370064 = 19915^2 + 7508^2 .

It is a cyclic number.

It is not a de Polignac number, because 452977289 - 2¹² = 452973193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 452977289.

It is not a weakly prime, because it can be changed into another prime (452977589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226488644 + 226488645.

It is an arithmetic number, because the mean of its divisors is an integer number (226488645).

Almost surely, 2^452977289 is an apocalyptic number.

It is an amenable number.

452977289 is a deficient number, since it is larger than the sum of its proper divisors (1).

452977289 is an equidigital number, since it uses as much as digits as its factorization.

452977289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 53.

The square root of 452977289 is about 21283.2631191742. The cubic root of 452977289 is about 767.9957371228.

It can be divided in two parts, 4529 and 77289, that added together give a palindrome (81818).

The spelling of 452977289 in words is "four hundred fifty-two million, nine hundred seventy-seven thousand, two hundred eighty-nine".