48078521 has 2 divisors, whose sum is σ = 48078522. Its totient is φ = 48078520.

The previous prime is 48078469. The next prime is 48078539. The reversal of 48078521 is 12587084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42719296 + 5359225 = 6536^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 48078521 - 2¹⁴ = 48062137 is a prime.

It is a super-3 number, since 3×48078521³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48071521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24039260 + 24039261.

It is an arithmetic number, because the mean of its divisors is an integer number (24039261).

Almost surely, 2^48078521 is an apocalyptic number.

It is an amenable number.

48078521 is a deficient number, since it is larger than the sum of its proper divisors (1).

48078521 is an equidigital number, since it uses as much as digits as its factorization.

48078521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 48078521 is about 6933.8676797297. The cubic root of 48078521 is about 363.6221802252.

The spelling of 48078521 in words is "forty-eight million, seventy-eight thousand, five hundred twenty-one".