49278371 has 2 divisors, whose sum is σ = 49278372. Its totient is φ = 49278370.

The previous prime is 49278353. The next prime is 49278373. The reversal of 49278371 is 17387294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49278371 - 2¹⁴ = 49261987 is a prime.

Together with 49278373, 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 (49278373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24639185 + 24639186.

It is an arithmetic number, because the mean of its divisors is an integer number (24639186).

Almost surely, 2^49278371 is an apocalyptic number.

49278371 is a deficient number, since it is larger than the sum of its proper divisors (1).

49278371 is an equidigital number, since it uses as much as digits as its factorization.

49278371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 49278371 is about 7019.8554828429. The cubic root of 49278371 is about 366.6222183954.

The spelling of 49278371 in words is "forty-nine million, two hundred seventy-eight thousand, three hundred seventy-one".