39260681 has 2 divisors, whose sum is σ = 39260682. Its totient is φ = 39260680.

The previous prime is 39260671. The next prime is 39260687. The reversal of 39260681 is 18606293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25452025 + 13808656 = 5045^2 + 3716^2 .

It is a cyclic number.

It is not a de Polignac number, because 39260681 - 2¹⁴ = 39244297 is a prime.

It is a super-2 number, since 2×39260681² = 3082802145167522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39260687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19630340 + 19630341.

It is an arithmetic number, because the mean of its divisors is an integer number (19630341).

Almost surely, 2^39260681 is an apocalyptic number.

It is an amenable number.

39260681 is a deficient number, since it is larger than the sum of its proper divisors (1).

39260681 is an equidigital number, since it uses as much as digits as its factorization.

39260681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 39260681 is about 6265.8344216872. The cubic root of 39260681 is about 339.8750434704.

The spelling of 39260681 in words is "thirty-nine million, two hundred sixty thousand, six hundred eighty-one".