17139461 has 2 divisors, whose sum is σ = 17139462. Its totient is φ = 17139460.

The previous prime is 17139449. The next prime is 17139467. The reversal of 17139461 is 16493171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9333025 + 7806436 = 3055^2 + 2794^2 .

It is a cyclic number.

It is not a de Polignac number, because 17139461 - 2²² = 12945157 is a prime.

It is a super-2 number, since 2×17139461² = 587522246741042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17139467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8569730 + 8569731.

It is an arithmetic number, because the mean of its divisors is an integer number (8569731).

Almost surely, 2^17139461 is an apocalyptic number.

It is an amenable number.

17139461 is a deficient number, since it is larger than the sum of its proper divisors (1).

17139461 is an equidigital number, since it uses as much as digits as its factorization.

17139461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 32.

The square root of 17139461 is about 4139.9832125264. The cubic root of 17139461 is about 257.8293695799.

The spelling of 17139461 in words is "seventeen million, one hundred thirty-nine thousand, four hundred sixty-one".