48102391 has 2 divisors, whose sum is σ = 48102392. Its totient is φ = 48102390.

The previous prime is 48102377. The next prime is 48102419. The reversal of 48102391 is 19320184.

It is a happy number.

It is an a-pointer prime, because the next prime (48102419) can be obtained adding 48102391 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48102391 - 2¹³ = 48094199 is a prime.

It is a super-3 number, since 3×48102391³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48102371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24051195 + 24051196.

It is an arithmetic number, because the mean of its divisors is an integer number (24051196).

Almost surely, 2^48102391 is an apocalyptic number.

48102391 is a deficient number, since it is larger than the sum of its proper divisors (1).

48102391 is an equidigital number, since it uses as much as digits as its factorization.

48102391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 48102391 is about 6935.5887277145. The cubic root of 48102391 is about 363.6823472550.

The spelling of 48102391 in words is "forty-eight million, one hundred two thousand, three hundred ninety-one".