452539861 has 2 divisors, whose sum is σ = 452539862. Its totient is φ = 452539860.

The previous prime is 452539849. The next prime is 452539883. The reversal of 452539861 is 168935254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301716900 + 150822961 = 17370^2 + 12281^2 .

It is a cyclic number.

It is not a de Polignac number, because 452539861 - 2¹³ = 452531669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452539831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226269930 + 226269931.

It is an arithmetic number, because the mean of its divisors is an integer number (226269931).

Almost surely, 2^452539861 is an apocalyptic number.

It is an amenable number.

452539861 is a deficient number, since it is larger than the sum of its proper divisors (1).

452539861 is an equidigital number, since it uses as much as digits as its factorization.

452539861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 452539861 is about 21272.9842993408. The cubic root of 452539861 is about 767.7484465540.

The spelling of 452539861 in words is "four hundred fifty-two million, five hundred thirty-nine thousand, eight hundred sixty-one".