46171561 has 2 divisors, whose sum is σ = 46171562. Its totient is φ = 46171560.

The previous prime is 46171553. The next prime is 46171579. The reversal of 46171561 is 16517164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 9265936 = 6075^2 + 3044^2 .

It is a cyclic number.

It is not a de Polignac number, because 46171561 - 2³ = 46171553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46171591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23085780 + 23085781.

It is an arithmetic number, because the mean of its divisors is an integer number (23085781).

Almost surely, 2^46171561 is an apocalyptic number.

It is an amenable number.

46171561 is a deficient number, since it is larger than the sum of its proper divisors (1).

46171561 is an equidigital number, since it uses as much as digits as its factorization.

46171561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 46171561 is about 6794.9658571622. The cubic root of 46171561 is about 358.7496774269.

The spelling of 46171561 in words is "forty-six million, one hundred seventy-one thousand, five hundred sixty-one".