46187231 has 2 divisors, whose sum is σ = 46187232. Its totient is φ = 46187230.

The previous prime is 46187213. The next prime is 46187287. The reversal of 46187231 is 13278164.

46187231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (46187213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46187231 - 2¹⁴ = 46170847 is a prime.

It is a super-2 number, since 2×46187231² = 4266520614894722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46187201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23093615 + 23093616.

It is an arithmetic number, because the mean of its divisors is an integer number (23093616).

Almost surely, 2^46187231 is an apocalyptic number.

46187231 is a deficient number, since it is larger than the sum of its proper divisors (1).

46187231 is an equidigital number, since it uses as much as digits as its factorization.

46187231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 46187231 is about 6796.1188188554. The cubic root of 46187231 is about 358.7902577573.

The spelling of 46187231 in words is "forty-six million, one hundred eighty-seven thousand, two hundred thirty-one".