49180321 has 2 divisors, whose sum is σ = 49180322. Its totient is φ = 49180320.

The previous prime is 49180309. The next prime is 49180333. The reversal of 49180321 is 12308194.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (49180309) and next prime (49180333).

It can be written as a sum of positive squares in only one way, i.e., 30647296 + 18533025 = 5536^2 + 4305^2 .

It is a cyclic number.

It is not a de Polignac number, because 49180321 - 2¹³ = 49172129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49180321.

It is not a weakly prime, because it can be changed into another prime (49180301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24590160 + 24590161.

It is an arithmetic number, because the mean of its divisors is an integer number (24590161).

Almost surely, 2^49180321 is an apocalyptic number.

It is an amenable number.

49180321 is a deficient number, since it is larger than the sum of its proper divisors (1).

49180321 is an equidigital number, since it uses as much as digits as its factorization.

49180321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 49180321 is about 7012.8682434507. The cubic root of 49180321 is about 366.3788988225.

The spelling of 49180321 in words is "forty-nine million, one hundred eighty thousand, three hundred twenty-one".