587367661 has 2 divisors, whose sum is σ = 587367662. Its totient is φ = 587367660.

The previous prime is 587367647. The next prime is 587367667. The reversal of 587367661 is 166763785.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582305161 + 5062500 = 24131^2 + 2250^2 .

It is a cyclic number.

It is not a de Polignac number, because 587367661 - 2⁷ = 587367533 is a prime.

It is a super-2 number, since 2×587367661² = 690001538377221842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (587367667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 293683830 + 293683831.

It is an arithmetic number, because the mean of its divisors is an integer number (293683831).

Almost surely, 2^587367661 is an apocalyptic number.

It is an amenable number.

587367661 is a deficient number, since it is larger than the sum of its proper divisors (1).

587367661 is an equidigital number, since it uses as much as digits as its factorization.

587367661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 587367661 is about 24235.6691882027. The cubic root of 587367661 is about 837.4714500106.

The spelling of 587367661 in words is "five hundred eighty-seven million, three hundred sixty-seven thousand, six hundred sixty-one".