451461213 has 24 divisors (see below), whose sum is σ = 752658816. Its totient is φ = 255420000.

The previous prime is 451461211. The next prime is 451461229. The reversal of 451461213 is 312164154.

It is a happy number.

451461213 is a `hidden beast` number, since 45 + 1 + 4 + 612 + 1 + 3 = 666.

It is not a de Polignac number, because 451461213 - 2¹ = 451461211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451461211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29113 + ... + 41838.

It is an arithmetic number, because the mean of its divisors is an integer number (31360784).

Almost surely, 2^451461213 is an apocalyptic number.

It is an amenable number.

451461213 is a deficient number, since it is larger than the sum of its proper divisors (301197603).

451461213 is a wasteful number, since it uses less digits than its factorization.

451461213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71065 (or 71062 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 451461213 is about 21247.6166428143. The cubic root of 451461213 is about 767.1379742459.

The spelling of 451461213 in words is "four hundred fifty-one million, four hundred sixty-one thousand, two hundred thirteen".