48572921 has 2 divisors, whose sum is σ = 48572922. Its totient is φ = 48572920.

The previous prime is 48572917. The next prime is 48572933. The reversal of 48572921 is 12927584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48497296 + 75625 = 6964^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 48572921 - 2² = 48572917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (48572981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24286460 + 24286461.

It is an arithmetic number, because the mean of its divisors is an integer number (24286461).

Almost surely, 2^48572921 is an apocalyptic number.

It is an amenable number.

48572921 is a deficient number, since it is larger than the sum of its proper divisors (1).

48572921 is an equidigital number, since it uses as much as digits as its factorization.

48572921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 48572921 is about 6969.4275948603. The cubic root of 48572921 is about 364.8643293860.

The spelling of 48572921 in words is "forty-eight million, five hundred seventy-two thousand, nine hundred twenty-one".