61254229 has 2 divisors, whose sum is σ = 61254230. Its totient is φ = 61254228.

The previous prime is 61254223. The next prime is 61254251. The reversal of 61254229 is 92245216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45832900 + 15421329 = 6770^2 + 3927^2 .

It is a cyclic number.

It is not a de Polignac number, because 61254229 - 2⁵ = 61254197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61254229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61254223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30627114 + 30627115.

It is an arithmetic number, because the mean of its divisors is an integer number (30627115).

Almost surely, 2^61254229 is an apocalyptic number.

It is an amenable number.

61254229 is a deficient number, since it is larger than the sum of its proper divisors (1).

61254229 is an equidigital number, since it uses as much as digits as its factorization.

61254229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 61254229 is about 7826.5080974851. The cubic root of 61254229 is about 394.1958301413.

The spelling of 61254229 in words is "sixty-one million, two hundred fifty-four thousand, two hundred twenty-nine".