46129081 has 2 divisors, whose sum is σ = 46129082. Its totient is φ = 46129080.

The previous prime is 46129063. The next prime is 46129103. The reversal of 46129081 is 18092164.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24413481 + 21715600 = 4941^2 + 4660^2 .

It is a cyclic number.

It is not a de Polignac number, because 46129081 - 2⁵ = 46129049 is a prime.

It is a super-2 number, since 2×46129081² = 4255784227809122, which contains 22 as substring.

It is equal to p_2782345 and since 46129081 and 2782345 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (46129021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23064540 + 23064541.

It is an arithmetic number, because the mean of its divisors is an integer number (23064541).

Almost surely, 2^46129081 is an apocalyptic number.

It is an amenable number.

46129081 is a deficient number, since it is larger than the sum of its proper divisors (1).

46129081 is an equidigital number, since it uses as much as digits as its factorization.

46129081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 46129081 is about 6791.8392943296. The cubic root of 46129081 is about 358.6396214956.

The spelling of 46129081 in words is "forty-six million, one hundred twenty-nine thousand, eighty-one".