49970321 has 2 divisors, whose sum is σ = 49970322. Its totient is φ = 49970320.

The previous prime is 49970317. The next prime is 49970341. The reversal of 49970321 is 12307994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49900096 + 70225 = 7064^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 49970321 - 2² = 49970317 is a prime.

It is not a weakly prime, because it can be changed into another prime (49970311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24985160 + 24985161.

It is an arithmetic number, because the mean of its divisors is an integer number (24985161).

Almost surely, 2^49970321 is an apocalyptic number.

It is an amenable number.

49970321 is a deficient number, since it is larger than the sum of its proper divisors (1).

49970321 is an equidigital number, since it uses as much as digits as its factorization.

49970321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 49970321 is about 7068.9688781321. The cubic root of 49970321 is about 368.3302431896.

The spelling of 49970321 in words is "forty-nine million, nine hundred seventy thousand, three hundred twenty-one".