46087381 has 2 divisors, whose sum is σ = 46087382. Its totient is φ = 46087380.

The previous prime is 46087337. The next prime is 46087387. The reversal of 46087381 is 18378064.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33062500 + 13024881 = 5750^2 + 3609^2 .

It is a cyclic number.

It is not a de Polignac number, because 46087381 - 2⁹ = 46086869 is a prime.

It is a super-2 number, since 2×46087381² = 4248093374878322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46087381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46087387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23043690 + 23043691.

It is an arithmetic number, because the mean of its divisors is an integer number (23043691).

Almost surely, 2^46087381 is an apocalyptic number.

It is an amenable number.

46087381 is a deficient number, since it is larger than the sum of its proper divisors (1).

46087381 is an equidigital number, since it uses as much as digits as its factorization.

46087381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 46087381 is about 6788.7687396169. The cubic root of 46087381 is about 358.5315206288.

The spelling of 46087381 in words is "forty-six million, eighty-seven thousand, three hundred eighty-one".