48499391 has 2 divisors, whose sum is σ = 48499392. Its totient is φ = 48499390.

The previous prime is 48499349. The next prime is 48499427. The reversal of 48499391 is 19399484.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48499391 - 2⁶ = 48499327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48499991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24249695 + 24249696.

It is an arithmetic number, because the mean of its divisors is an integer number (24249696).

Almost surely, 2^48499391 is an apocalyptic number.

48499391 is a deficient number, since it is larger than the sum of its proper divisors (1).

48499391 is an equidigital number, since it uses as much as digits as its factorization.

48499391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 48499391 is about 6964.1504148029. The cubic root of 48499391 is about 364.6801250826.

The spelling of 48499391 in words is "forty-eight million, four hundred ninety-nine thousand, three hundred ninety-one".