48121013 has 2 divisors, whose sum is σ = 48121014. Its totient is φ = 48121012.

The previous prime is 48120983. The next prime is 48121019. The reversal of 48121013 is 31012184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29398084 + 18722929 = 5422^2 + 4327^2 .

It is a cyclic number.

It is not a de Polignac number, because 48121013 - 2⁶ = 48120949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48121019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24060506 + 24060507.

It is an arithmetic number, because the mean of its divisors is an integer number (24060507).

Almost surely, 2^48121013 is an apocalyptic number.

It is an amenable number.

48121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

48121013 is an equidigital number, since it uses as much as digits as its factorization.

48121013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 48121013 is about 6936.9310937907. The cubic root of 48121013 is about 363.7292722883.

Adding to 48121013 its reverse (31012184), we get a palindrome (79133197).

The spelling of 48121013 in words is "forty-eight million, one hundred twenty-one thousand, thirteen".