3952604581 has 2 divisors, whose sum is σ = 3952604582. Its totient is φ = 3952604580.

The previous prime is 3952604531. The next prime is 3952604603. The reversal of 3952604581 is 1854062593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2156116356 + 1796488225 = 46434^2 + 42385^2 .

It is an emirp because it is prime and its reverse (1854062593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3952604581 - 2¹⁵ = 3952571813 is a prime.

It is a super-2 number, since 2×3952604581² = 31246165947484371122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3952604521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976302290 + 1976302291.

It is an arithmetic number, because the mean of its divisors is an integer number (1976302291).

Almost surely, 2^3952604581 is an apocalyptic number.

It is an amenable number.

3952604581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3952604581 is an equidigital number, since it uses as much as digits as its factorization.

3952604581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 3952604581 is about 62869.7429690944. The cubic root of 3952604581 is about 1581.1064968616.

The spelling of 3952604581 in words is "three billion, nine hundred fifty-two million, six hundred four thousand, five hundred eighty-one".