48202421 has 2 divisors, whose sum is σ = 48202422. Its totient is φ = 48202420.

The previous prime is 48202391. The next prime is 48202423. The reversal of 48202421 is 12420284.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35343025 + 12859396 = 5945^2 + 3586^2 .

It is a cyclic number.

It is not a de Polignac number, because 48202421 - 2¹⁰ = 48201397 is a prime.

It is a super-2 number, since 2×48202421² = 4646946780522482, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 48202423, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48202423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24101210 + 24101211.

It is an arithmetic number, because the mean of its divisors is an integer number (24101211).

Almost surely, 2^48202421 is an apocalyptic number.

It is an amenable number.

48202421 is a deficient number, since it is larger than the sum of its proper divisors (1).

48202421 is an equidigital number, since it uses as much as digits as its factorization.

48202421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 48202421 is about 6942.7963386520. The cubic root of 48202421 is about 363.9342679076.

The spelling of 48202421 in words is "forty-eight million, two hundred two thousand, four hundred twenty-one".