48136321 has 2 divisors, whose sum is σ = 48136322. Its totient is φ = 48136320.

The previous prime is 48136313. The next prime is 48136339. The reversal of 48136321 is 12363184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35569296 + 12567025 = 5964^2 + 3545^2 .

It is a cyclic number.

It is not a de Polignac number, because 48136321 - 2³ = 48136313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48136321.

It is not a weakly prime, because it can be changed into another prime (48136391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24068160 + 24068161.

It is an arithmetic number, because the mean of its divisors is an integer number (24068161).

Almost surely, 2^48136321 is an apocalyptic number.

It is an amenable number.

48136321 is a deficient number, since it is larger than the sum of its proper divisors (1).

48136321 is an equidigital number, since it uses as much as digits as its factorization.

48136321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 48136321 is about 6938.0343758157. The cubic root of 48136321 is about 363.7678374046.

The spelling of 48136321 in words is "forty-eight million, one hundred thirty-six thousand, three hundred twenty-one".