61226369 has 2 divisors, whose sum is σ = 61226370. Its totient is φ = 61226368.

The previous prime is 61226359. The next prime is 61226377. The reversal of 61226369 is 96362216.

61226369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48121969 + 13104400 = 6937^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 61226369 - 2¹⁶ = 61160833 is a prime.

It is a super-2 number, since 2×61226369² = 7497336521848322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61226329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30613184 + 30613185.

It is an arithmetic number, because the mean of its divisors is an integer number (30613185).

Almost surely, 2^61226369 is an apocalyptic number.

It is an amenable number.

61226369 is a deficient number, since it is larger than the sum of its proper divisors (1).

61226369 is an equidigital number, since it uses as much as digits as its factorization.

61226369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 61226369 is about 7824.7280463924. The cubic root of 61226369 is about 394.1360576084.

The spelling of 61226369 in words is "sixty-one million, two hundred twenty-six thousand, three hundred sixty-nine".