48821231 has 2 divisors, whose sum is σ = 48821232. Its totient is φ = 48821230.

The previous prime is 48821207. The next prime is 48821251. The reversal of 48821231 is 13212884.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48821231 - 2¹⁰ = 48820207 is a prime.

It is a super-2 number, since 2×48821231² = 4767025192710722, which contains 22 as substring.

It is a Chen prime.

It is equal to p_2934461 and since 48821231 and 2934461 have the same sum of digits, it is a Honaker prime.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 48821194 and 48821203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48821251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24410615 + 24410616.

It is an arithmetic number, because the mean of its divisors is an integer number (24410616).

Almost surely, 2^48821231 is an apocalyptic number.

48821231 is a deficient number, since it is larger than the sum of its proper divisors (1).

48821231 is an equidigital number, since it uses as much as digits as its factorization.

48821231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 29.

The square root of 48821231 is about 6987.2191177893. The cubic root of 48821231 is about 365.4850148215.

The spelling of 48821231 in words is "forty-eight million, eight hundred twenty-one thousand, two hundred thirty-one".