48507421 has 2 divisors, whose sum is σ = 48507422. Its totient is φ = 48507420.

The previous prime is 48507419. The next prime is 48507449. The reversal of 48507421 is 12470584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44156025 + 4351396 = 6645^2 + 2086^2 .

It is a cyclic number.

It is not a de Polignac number, because 48507421 - 2¹ = 48507419 is a prime.

Together with 48507419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48507451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24253710 + 24253711.

It is an arithmetic number, because the mean of its divisors is an integer number (24253711).

Almost surely, 2^48507421 is an apocalyptic number.

It is an amenable number.

48507421 is a deficient number, since it is larger than the sum of its proper divisors (1).

48507421 is an equidigital number, since it uses as much as digits as its factorization.

48507421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 48507421 is about 6964.7269149623. The cubic root of 48507421 is about 364.7002505573.

The spelling of 48507421 in words is "forty-eight million, five hundred seven thousand, four hundred twenty-one".