46181501 has 2 divisors, whose sum is σ = 46181502. Its totient is φ = 46181500.

The previous prime is 46181491. The next prime is 46181549. The reversal of 46181501 is 10518164.

46181501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44488900 + 1692601 = 6670^2 + 1301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46181501 is a prime.

It is a super-2 number, since 2×46181501² = 4265462069226002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46181701) 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, 23090750 + 23090751.

It is an arithmetic number, because the mean of its divisors is an integer number (23090751).

Almost surely, 2^46181501 is an apocalyptic number.

It is an amenable number.

46181501 is a deficient number, since it is larger than the sum of its proper divisors (1).

46181501 is an equidigital number, since it uses as much as digits as its factorization.

46181501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 46181501 is about 6795.6972416375. The cubic root of 46181501 is about 358.7754199392.

Adding to 46181501 its reverse (10518164), we get a palindrome (56699665).

The spelling of 46181501 in words is "forty-six million, one hundred eighty-one thousand, five hundred one".