49187417 has 2 divisors, whose sum is σ = 49187418. Its totient is φ = 49187416.

The previous prime is 49187407. The next prime is 49187419. The reversal of 49187417 is 71478194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42133081 + 7054336 = 6491^2 + 2656^2 .

It is a cyclic number.

It is not a de Polignac number, because 49187417 - 2⁶ = 49187353 is a prime.

It is a super-2 number, since 2×49187417² = 4838803982263778, which contains 22 as substring.

Together with 49187419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49187419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24593708 + 24593709.

It is an arithmetic number, because the mean of its divisors is an integer number (24593709).

Almost surely, 2^49187417 is an apocalyptic number.

It is an amenable number.

49187417 is a deficient number, since it is larger than the sum of its proper divisors (1).

49187417 is an equidigital number, since it uses as much as digits as its factorization.

49187417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 41.

The square root of 49187417 is about 7013.3741522893. The cubic root of 49187417 is about 366.3965190113.

The spelling of 49187417 in words is "forty-nine million, one hundred eighty-seven thousand, four hundred seventeen".