48700921 has 2 divisors, whose sum is σ = 48700922. Its totient is φ = 48700920.

The previous prime is 48700919. The next prime is 48700931. The reversal of 48700921 is 12900784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44555625 + 4145296 = 6675^2 + 2036^2 .

It is a cyclic number.

It is not a de Polignac number, because 48700921 - 2¹ = 48700919 is a prime.

Together with 48700919, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48700931) 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, 24350460 + 24350461.

It is an arithmetic number, because the mean of its divisors is an integer number (24350461).

Almost surely, 2^48700921 is an apocalyptic number.

It is an amenable number.

48700921 is a deficient number, since it is larger than the sum of its proper divisors (1).

48700921 is an equidigital number, since it uses as much as digits as its factorization.

48700921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 48700921 is about 6978.6045166638. The cubic root of 48700921 is about 365.1845466961.

The spelling of 48700921 in words is "forty-eight million, seven hundred thousand, nine hundred twenty-one".