451260641 has 8 divisors (see below), whose sum is σ = 490275240. Its totient is φ = 412860672.

The previous prime is 451260577. The next prime is 451260643. The reversal of 451260641 is 146062154.

It can be written as a sum of positive squares in 4 ways, for example, as 8579041 + 442681600 = 2929^2 + 21040^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 451260641 - 2⁶ = 451260577 is a prime.

It is a super-2 number, since 2×451260641² = 407272332231461762, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (451260643) 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, 152126 + ... + 155063.

It is an arithmetic number, because the mean of its divisors is an integer number (61284405).

Almost surely, 2^451260641 is an apocalyptic number.

It is an amenable number.

451260641 is a deficient number, since it is larger than the sum of its proper divisors (39014599).

451260641 is a wasteful number, since it uses less digits than its factorization.

451260641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307315.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 451260641 is about 21242.8962479225. The cubic root of 451260641 is about 767.0243512035.

The spelling of 451260641 in words is "four hundred fifty-one million, two hundred sixty thousand, six hundred forty-one".