48142421 has 2 divisors, whose sum is σ = 48142422. Its totient is φ = 48142420.

The previous prime is 48142399. The next prime is 48142459. The reversal of 48142421 is 12424184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42315025 + 5827396 = 6505^2 + 2414^2 .

It is a cyclic number.

It is not a de Polignac number, because 48142421 - 2¹⁰ = 48141397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48142021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24071210 + 24071211.

It is an arithmetic number, because the mean of its divisors is an integer number (24071211).

Almost surely, 2^48142421 is an apocalyptic number.

It is an amenable number.

48142421 is a deficient number, since it is larger than the sum of its proper divisors (1).

48142421 is an equidigital number, since it uses as much as digits as its factorization.

48142421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 26.

The square root of 48142421 is about 6938.4739676675. The cubic root of 48142421 is about 363.7832027257.

The spelling of 48142421 in words is "forty-eight million, one hundred forty-two thousand, four hundred twenty-one".