61126447 has 2 divisors, whose sum is σ = 61126448. Its totient is φ = 61126446.

The previous prime is 61126427. The next prime is 61126493. The reversal of 61126447 is 74462116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61126447 - 2¹⁵ = 61093679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61126427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30563223 + 30563224.

It is an arithmetic number, because the mean of its divisors is an integer number (30563224).

Almost surely, 2^61126447 is an apocalyptic number.

61126447 is a deficient number, since it is larger than the sum of its proper divisors (1).

61126447 is an equidigital number, since it uses as much as digits as its factorization.

61126447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 61126447 is about 7818.3404249239. The cubic root of 61126447 is about 393.9215296327.

The spelling of 61126447 in words is "sixty-one million, one hundred twenty-six thousand, four hundred forty-seven".