46371881 has 2 divisors, whose sum is σ = 46371882. Its totient is φ = 46371880.

The previous prime is 46371859. The next prime is 46371883. The reversal of 46371881 is 18817364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26265625 + 20106256 = 5125^2 + 4484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46371881 is a prime.

It is a super-2 number, since 2×46371881² = 4300702694956322, which contains 22 as substring.

Together with 46371883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46371883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23185940 + 23185941.

It is an arithmetic number, because the mean of its divisors is an integer number (23185941).

Almost surely, 2^46371881 is an apocalyptic number.

It is an amenable number.

46371881 is a deficient number, since it is larger than the sum of its proper divisors (1).

46371881 is an equidigital number, since it uses as much as digits as its factorization.

46371881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 38.

The square root of 46371881 is about 6809.6902279032. The cubic root of 46371881 is about 359.2677528598.

The spelling of 46371881 in words is "forty-six million, three hundred seventy-one thousand, eight hundred eighty-one".