4922581 has 2 divisors, whose sum is σ = 4922582. Its totient is φ = 4922580.

The previous prime is 4922579. The next prime is 4922623. The reversal of 4922581 is 1852294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4165681 + 756900 = 2041^2 + 870^2 .

It is a cyclic number.

It is not a de Polignac number, because 4922581 - 2¹ = 4922579 is a prime.

It is a super-2 number, since 2×4922581² = 48463607403122, which contains 22 as substring.

Together with 4922579, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4922531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2461290 + 2461291.

It is an arithmetic number, because the mean of its divisors is an integer number (2461291).

Almost surely, 2^4922581 is an apocalyptic number.

It is an amenable number.

4922581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4922581 is an equidigital number, since it uses as much as digits as its factorization.

4922581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 4922581 is about 2218.6890273312. The cubic root of 4922581 is about 170.1104357401.

The spelling of 4922581 in words is "four million, nine hundred twenty-two thousand, five hundred eighty-one".