17640053 has 2 divisors, whose sum is σ = 17640054. Its totient is φ = 17640052.

The previous prime is 17640047. The next prime is 17640059. The reversal of 17640053 is 35004671.

It is a balanced prime because it is at equal distance from previous prime (17640047) and next prime (17640059).

It can be written as a sum of positive squares in only one way, i.e., 16144324 + 1495729 = 4018^2 + 1223^2 .

It is a cyclic number.

It is not a de Polignac number, because 17640053 - 2¹⁰ = 17639029 is a prime.

It is a super-2 number, since 2×17640053² = 622342939685618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17640059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8820026 + 8820027.

It is an arithmetic number, because the mean of its divisors is an integer number (8820027).

Almost surely, 2^17640053 is an apocalyptic number.

It is an amenable number.

17640053 is a deficient number, since it is larger than the sum of its proper divisors (1).

17640053 is an equidigital number, since it uses as much as digits as its factorization.

17640053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 17640053 is about 4200.0063095191. The cubic root of 17640053 is about 260.3154602897.

The spelling of 17640053 in words is "seventeen million, six hundred forty thousand, fifty-three".