48256381 has 2 divisors, whose sum is σ = 48256382. Its totient is φ = 48256380.

The previous prime is 48256379. The next prime is 48256391. The reversal of 48256381 is 18365284.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44488900 + 3767481 = 6670^2 + 1941^2 .

It is a cyclic number.

It is not a de Polignac number, because 48256381 - 2¹ = 48256379 is a prime.

It is a super-2 number, since 2×48256381² = 4657356614434322, which contains 22 as substring.

Together with 48256379, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 48256381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48256331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24128190 + 24128191.

It is an arithmetic number, because the mean of its divisors is an integer number (24128191).

Almost surely, 2^48256381 is an apocalyptic number.

It is an amenable number.

48256381 is a deficient number, since it is larger than the sum of its proper divisors (1).

48256381 is an equidigital number, since it uses as much as digits as its factorization.

48256381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 48256381 is about 6946.6812939705. The cubic root of 48256381 is about 364.0700188332.

The spelling of 48256381 in words is "forty-eight million, two hundred fifty-six thousand, three hundred eighty-one".