452680661 has 2 divisors, whose sum is σ = 452680662. Its totient is φ = 452680660.

The previous prime is 452680649. The next prime is 452680673. The reversal of 452680661 is 166086254.

It is a balanced prime because it is at equal distance from previous prime (452680649) and next prime (452680673).

It can be written as a sum of positive squares in only one way, i.e., 311522500 + 141158161 = 17650^2 + 11881^2 .

It is a cyclic number.

It is not a de Polignac number, because 452680661 - 2¹⁰ = 452679637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452680621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226340330 + 226340331.

It is an arithmetic number, because the mean of its divisors is an integer number (226340331).

Almost surely, 2^452680661 is an apocalyptic number.

It is an amenable number.

452680661 is a deficient number, since it is larger than the sum of its proper divisors (1).

452680661 is an equidigital number, since it uses as much as digits as its factorization.

452680661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 452680661 is about 21276.2934036923. The cubic root of 452680661 is about 767.8280622089.

The spelling of 452680661 in words is "four hundred fifty-two million, six hundred eighty thousand, six hundred sixty-one".