105913517 has 2 divisors, whose sum is σ = 105913518. Its totient is φ = 105913516.

The previous prime is 105913487. The next prime is 105913523. The reversal of 105913517 is 715319501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105904681 + 8836 = 10291^2 + 94^2 .

It is a cyclic number.

It is not a de Polignac number, because 105913517 - 2¹⁴ = 105897133 is a prime.

It is a super-2 number, since 2×105913517² = 22435346166618578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105913547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52956758 + 52956759.

It is an arithmetic number, because the mean of its divisors is an integer number (52956759).

Almost surely, 2^105913517 is an apocalyptic number.

It is an amenable number.

105913517 is a deficient number, since it is larger than the sum of its proper divisors (1).

105913517 is an equidigital number, since it uses as much as digits as its factorization.

105913517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725, while the sum is 32.

The square root of 105913517 is about 10291.4292982073. The cubic root of 105913517 is about 473.1336060854.

The spelling of 105913517 in words is "one hundred five million, nine hundred thirteen thousand, five hundred seventeen".