46811971 has 2 divisors, whose sum is σ = 46811972. Its totient is φ = 46811970.

The previous prime is 46811959. The next prime is 46811981. The reversal of 46811971 is 17911864.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46811971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46811971.

It is not a weakly prime, because it can be changed into another prime (46811981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23405985 + 23405986.

It is an arithmetic number, because the mean of its divisors is an integer number (23405986).

Almost surely, 2^46811971 is an apocalyptic number.

46811971 is a deficient number, since it is larger than the sum of its proper divisors (1).

46811971 is an equidigital number, since it uses as much as digits as its factorization.

46811971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 37.

The square root of 46811971 is about 6841.9274331142. The cubic root of 46811971 is about 360.4007137819.

The spelling of 46811971 in words is "forty-six million, eight hundred eleven thousand, nine hundred seventy-one".