452400061 has 4 divisors (see below), whose sum is σ = 452598300. Its totient is φ = 452201824.

The previous prime is 452400037. The next prime is 452400071. The reversal of 452400061 is 160004254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243048100 + 209351961 = 15590^2 + 14469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452400061 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 (452400071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95656 + ... + 100273.

It is an arithmetic number, because the mean of its divisors is an integer number (113149575).

Almost surely, 2^452400061 is an apocalyptic number.

It is an amenable number.

452400061 is a deficient number, since it is larger than the sum of its proper divisors (198239).

452400061 is a wasteful number, since it uses less digits than its factorization.

452400061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198238.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 452400061 is about 21269.6981877976. The cubic root of 452400061 is about 767.6693800110.

The spelling of 452400061 in words is "four hundred fifty-two million, four hundred thousand, sixty-one".