61050709 has 2 divisors, whose sum is σ = 61050710. Its totient is φ = 61050708.

The previous prime is 61050683. The next prime is 61050721. The reversal of 61050709 is 90705016.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55920484 + 5130225 = 7478^2 + 2265^2 .

It is a cyclic number.

It is not a de Polignac number, because 61050709 - 2⁵ = 61050677 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is equal to p_3620863 and since 61050709 and 3620863 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61050739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525354 + 30525355.

It is an arithmetic number, because the mean of its divisors is an integer number (30525355).

Almost surely, 2^61050709 is an apocalyptic number.

It is an amenable number.

61050709 is a deficient number, since it is larger than the sum of its proper divisors (1).

61050709 is an equidigital number, since it uses as much as digits as its factorization.

61050709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 61050709 is about 7813.4953125986. The cubic root of 61050709 is about 393.7587677900.

The spelling of 61050709 in words is "sixty-one million, fifty thousand, seven hundred nine".