461252215 has 4 divisors (see below), whose sum is σ = 553502664. Its totient is φ = 369001768.

The previous prime is 461252213. The next prime is 461252243. The reversal of 461252215 is 512252164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461252215 - 2¹ = 461252213 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 (461252213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46125217 + ... + 46125226.

It is an arithmetic number, because the mean of its divisors is an integer number (138375666).

Almost surely, 2^461252215 is an apocalyptic number.

461252215 is a deficient number, since it is larger than the sum of its proper divisors (92250449).

461252215 is an equidigital number, since it uses as much as digits as its factorization.

461252215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92250448.

The product of its digits is 4800, while the sum is 28.

The square root of 461252215 is about 21476.7831622895. The cubic root of 461252215 is about 772.6440921955.

The spelling of 461252215 in words is "four hundred sixty-one million, two hundred fifty-two thousand, two hundred fifteen".