451560261 has 8 divisors (see below), whose sum is σ = 610328320. Its totient is φ = 296916192.

The previous prime is 451560233. The next prime is 451560283. The reversal of 451560261 is 162065154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 451560261 - 2¹¹ = 451558213 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 (451560211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030741 + ... + 1031178.

It is an arithmetic number, because the mean of its divisors is an integer number (76291040).

Almost surely, 2^451560261 is an apocalyptic number.

It is an amenable number.

451560261 is a deficient number, since it is larger than the sum of its proper divisors (158768059).

451560261 is a wasteful number, since it uses less digits than its factorization.

451560261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061995.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 451560261 is about 21249.9473175818. The cubic root of 451560261 is about 767.1940720337.

The spelling of 451560261 in words is "four hundred fifty-one million, five hundred sixty thousand, two hundred sixty-one".