49861321 has 2 divisors, whose sum is σ = 49861322. Its totient is φ = 49861320.

The previous prime is 49861307. The next prime is 49861349. The reversal of 49861321 is 12316894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49857721 + 3600 = 7061^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 49861321 - 2⁹ = 49860809 is a prime.

It is not a weakly prime, because it can be changed into another prime (49861921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24930660 + 24930661.

It is an arithmetic number, because the mean of its divisors is an integer number (24930661).

Almost surely, 2^49861321 is an apocalyptic number.

It is an amenable number.

49861321 is a deficient number, since it is larger than the sum of its proper divisors (1).

49861321 is an equidigital number, since it uses as much as digits as its factorization.

49861321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 49861321 is about 7061.2549167977. The cubic root of 49861321 is about 368.0622359494.

The spelling of 49861321 in words is "forty-nine million, eight hundred sixty-one thousand, three hundred twenty-one".