46490681 has 2 divisors, whose sum is σ = 46490682. Its totient is φ = 46490680.

The previous prime is 46490641. The next prime is 46490687. The reversal of 46490681 is 18609464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40195600 + 6295081 = 6340^2 + 2509^2 .

It is a cyclic number.

It is not a de Polignac number, because 46490681 - 2¹⁸ = 46228537 is a prime.

It is a super-2 number, since 2×46490681² = 4322766839687522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46490687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23245340 + 23245341.

It is an arithmetic number, because the mean of its divisors is an integer number (23245341).

Almost surely, 2^46490681 is an apocalyptic number.

It is an amenable number.

46490681 is a deficient number, since it is larger than the sum of its proper divisors (1).

46490681 is an equidigital number, since it uses as much as digits as its factorization.

46490681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 46490681 is about 6818.4075120221. The cubic root of 46490681 is about 359.5742936038.

The spelling of 46490681 in words is "forty-six million, four hundred ninety thousand, six hundred eighty-one".