452619661 has 16 divisors (see below), whose sum is σ = 491944320. Its totient is φ = 413962560.

The previous prime is 452619659. The next prime is 452619689. The reversal of 452619661 is 166916254.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 452619661 - 2¹ = 452619659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452619961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260600 + ... + 1260958.

It is an arithmetic number, because the mean of its divisors is an integer number (30746520).

Almost surely, 2^452619661 is an apocalyptic number.

It is an amenable number.

452619661 is a deficient number, since it is larger than the sum of its proper divisors (39324659).

452619661 is a wasteful number, since it uses less digits than its factorization.

452619661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its digits is 77760, while the sum is 40.

The square root of 452619661 is about 21274.8598350259. The cubic root of 452619661 is about 767.7935716582.

The spelling of 452619661 in words is "four hundred fifty-two million, six hundred nineteen thousand, six hundred sixty-one".