46129561 has 2 divisors, whose sum is σ = 46129562. Its totient is φ = 46129560.

The previous prime is 46129547. The next prime is 46129579. The reversal of 46129561 is 16592164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45481536 + 648025 = 6744^2 + 805^2 .

It is a cyclic number.

It is not a de Polignac number, because 46129561 - 2⁵ = 46129529 is a prime.

It is not a weakly prime, because it can be changed into another prime (46129591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23064780 + 23064781.

It is an arithmetic number, because the mean of its divisors is an integer number (23064781).

Almost surely, 2^46129561 is an apocalyptic number.

It is an amenable number.

46129561 is a deficient number, since it is larger than the sum of its proper divisors (1).

46129561 is an equidigital number, since it uses as much as digits as its factorization.

46129561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 46129561 is about 6791.8746307628. The cubic root of 46129561 is about 358.6408654428.

The spelling of 46129561 in words is "forty-six million, one hundred twenty-nine thousand, five hundred sixty-one".