46206581 has 2 divisors, whose sum is σ = 46206582. Its totient is φ = 46206580.

The previous prime is 46206571. The next prime is 46206649. The reversal of 46206581 is 18560264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38316100 + 7890481 = 6190^2 + 2809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46206581 is a prime.

It is a super-2 number, since 2×46206581² = 4270096255419122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46206551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23103290 + 23103291.

It is an arithmetic number, because the mean of its divisors is an integer number (23103291).

Almost surely, 2^46206581 is an apocalyptic number.

It is an amenable number.

46206581 is a deficient number, since it is larger than the sum of its proper divisors (1).

46206581 is an equidigital number, since it uses as much as digits as its factorization.

46206581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 46206581 is about 6797.5422764408. The cubic root of 46206581 is about 358.8403554577.

The spelling of 46206581 in words is "forty-six million, two hundred six thousand, five hundred eighty-one".