49697117 has 2 divisors, whose sum is σ = 49697118. Its totient is φ = 49697116.

The previous prime is 49697107. The next prime is 49697119. The reversal of 49697117 is 71179694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49477156 + 219961 = 7034^2 + 469^2 .

It is a cyclic number.

It is not a de Polignac number, because 49697117 - 2⁴ = 49697101 is a prime.

It is a super-2 number, since 2×49697117² = 4939606876223378, which contains 22 as substring.

Together with 49697119, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49697119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24848558 + 24848559.

It is an arithmetic number, because the mean of its divisors is an integer number (24848559).

Almost surely, 2^49697117 is an apocalyptic number.

It is an amenable number.

49697117 is a deficient number, since it is larger than the sum of its proper divisors (1).

49697117 is an equidigital number, since it uses as much as digits as its factorization.

49697117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 44.

The square root of 49697117 is about 7049.6182166129. The cubic root of 49697117 is about 367.6577557087.

The spelling of 49697117 in words is "forty-nine million, six hundred ninety-seven thousand, one hundred seventeen".