49170397 has 2 divisors, whose sum is σ = 49170398. Its totient is φ = 49170396.

The previous prime is 49170383. The next prime is 49170419. The reversal of 49170397 is 79307194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41847961 + 7322436 = 6469^2 + 2706^2 .

It is a cyclic number.

It is not a de Polignac number, because 49170397 - 2¹¹ = 49168349 is a prime.

It is a super-2 number, since 2×49170397² = 4835455882275218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49170337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24585198 + 24585199.

It is an arithmetic number, because the mean of its divisors is an integer number (24585199).

Almost surely, 2^49170397 is an apocalyptic number.

It is an amenable number.

49170397 is a deficient number, since it is larger than the sum of its proper divisors (1).

49170397 is an equidigital number, since it uses as much as digits as its factorization.

49170397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 49170397 is about 7012.1606513257. The cubic root of 49170397 is about 366.3542535395.

The spelling of 49170397 in words is "forty-nine million, one hundred seventy thousand, three hundred ninety-seven".