452609961 has 4 divisors (see below), whose sum is σ = 603479952. Its totient is φ = 301739972.

The previous prime is 452609933. The next prime is 452610007. The reversal of 452609961 is 169906254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 452609961 - 2⁹ = 452609449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (452609161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75434991 + ... + 75434996.

It is an arithmetic number, because the mean of its divisors is an integer number (150869988).

Almost surely, 2^452609961 is an apocalyptic number.

It is an amenable number.

452609961 is a deficient number, since it is larger than the sum of its proper divisors (150869991).

452609961 is a wasteful number, since it uses less digits than its factorization.

452609961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150869990.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 452609961 is about 21274.6318652051. The cubic root of 452609961 is about 767.7880868097.

The spelling of 452609961 in words is "four hundred fifty-two million, six hundred nine thousand, nine hundred sixty-one".