61222853 has 2 divisors, whose sum is σ = 61222854. Its totient is φ = 61222852.

The previous prime is 61222829. The next prime is 61222873. The reversal of 61222853 is 35822216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60871204 + 351649 = 7802^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 61222853 - 2⁶ = 61222789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61222823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30611426 + 30611427.

It is an arithmetic number, because the mean of its divisors is an integer number (30611427).

Almost surely, 2^61222853 is an apocalyptic number.

It is an amenable number.

61222853 is a deficient number, since it is larger than the sum of its proper divisors (1).

61222853 is an equidigital number, since it uses as much as digits as its factorization.

61222853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 61222853 is about 7824.5033708217. The cubic root of 61222853 is about 394.1285128804.

The spelling of 61222853 in words is "sixty-one million, two hundred twenty-two thousand, eight hundred fifty-three".