451555013 has 8 divisors (see below), whose sum is σ = 555760128. Its totient is φ = 357274224.

The previous prime is 451554973. The next prime is 451555051. The reversal of 451555013 is 310555154.

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 451555013 - 2⁶ = 451554949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451555213) 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, 2480981 + ... + 2481162.

It is an arithmetic number, because the mean of its divisors is an integer number (69470016).

Almost surely, 2^451555013 is an apocalyptic number.

It is an amenable number.

451555013 is a deficient number, since it is larger than the sum of its proper divisors (104205115).

451555013 is a wasteful number, since it uses less digits than its factorization.

451555013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962163.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 451555013 is about 21249.8238345639. The cubic root of 451555013 is about 767.1910999313.

The spelling of 451555013 in words is "four hundred fifty-one million, five hundred fifty-five thousand, thirteen".