61226351 has 2 divisors, whose sum is σ = 61226352. Its totient is φ = 61226350.

The previous prime is 61226339. The next prime is 61226359. The reversal of 61226351 is 15362216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61226351 - 2⁶ = 61226287 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61226351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61226359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30613175 + 30613176.

It is an arithmetic number, because the mean of its divisors is an integer number (30613176).

Almost surely, 2^61226351 is an apocalyptic number.

61226351 is a deficient number, since it is larger than the sum of its proper divisors (1).

61226351 is an equidigital number, since it uses as much as digits as its factorization.

61226351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 61226351 is about 7824.7268961926. The cubic root of 61226351 is about 394.1360189842.

Adding to 61226351 its reverse (15362216), we get a palindrome (76588567).

The spelling of 61226351 in words is "sixty-one million, two hundred twenty-six thousand, three hundred fifty-one".