46459981 has 2 divisors, whose sum is σ = 46459982. Its totient is φ = 46459980.

The previous prime is 46459961. The next prime is 46460003. The reversal of 46459981 is 18995464.

It is a happy number.

46459981 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., 33246756 + 13213225 = 5766^2 + 3635^2 .

It is a cyclic number.

It is not a de Polignac number, because 46459981 - 2⁵ = 46459949 is a prime.

It is a super-2 number, since 2×46459981² = 4317059669040722, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 46459981 parts by 9639 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46459951) 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, 23229990 + 23229991.

It is an arithmetic number, because the mean of its divisors is an integer number (23229991).

Almost surely, 2^46459981 is an apocalyptic number.

It is an amenable number.

46459981 is a deficient number, since it is larger than the sum of its proper divisors (1).

46459981 is an equidigital number, since it uses as much as digits as its factorization.

46459981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The square root of 46459981 is about 6816.1558814335. The cubic root of 46459981 is about 359.4951281932.

The spelling of 46459981 in words is "forty-six million, four hundred fifty-nine thousand, nine hundred eighty-one".