48520831 has 2 divisors, whose sum is σ = 48520832. Its totient is φ = 48520830.

The previous prime is 48520817. The next prime is 48520847. The reversal of 48520831 is 13802584.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48520831 - 2¹¹ = 48518783 is a prime.

It is a super-2 number, since 2×48520831² = 4708542081861122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 48520793 and 48520802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48520861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24260415 + 24260416.

It is an arithmetic number, because the mean of its divisors is an integer number (24260416).

Almost surely, 2^48520831 is an apocalyptic number.

48520831 is a deficient number, since it is larger than the sum of its proper divisors (1).

48520831 is an equidigital number, since it uses as much as digits as its factorization.

48520831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 48520831 is about 6965.6895566771. The cubic root of 48520831 is about 364.7338548983.

It can be divided in two parts, 485 and 20831, that added together give a square (21316 = 146²).

The spelling of 48520831 in words is "forty-eight million, five hundred twenty thousand, eight hundred thirty-one".