451500213 has 8 divisors (see below), whose sum is σ = 621419776. Its totient is φ = 291290400.

The previous prime is 451500209. The next prime is 451500227. The reversal of 451500213 is 312005154.

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

It is not a de Polignac number, because 451500213 - 2² = 451500209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 451500213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451500013) 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, 2427328 + ... + 2427513.

It is an arithmetic number, because the mean of its divisors is an integer number (77677472).

Almost surely, 2^451500213 is an apocalyptic number.

It is an amenable number.

451500213 is a deficient number, since it is larger than the sum of its proper divisors (169919563).

451500213 is a wasteful number, since it uses less digits than its factorization.

451500213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4854875.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 451500213 is about 21248.5343729868. The cubic root of 451500213 is about 767.1600636441.

Adding to 451500213 its reverse (312005154), we get a palindrome (763505367).

The spelling of 451500213 in words is "four hundred fifty-one million, five hundred thousand, two hundred thirteen".