61009673 has 2 divisors, whose sum is σ = 61009674. Its totient is φ = 61009672.

The previous prime is 61009667. The next prime is 61009693. The reversal of 61009673 is 37690016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56670784 + 4338889 = 7528^2 + 2083^2 .

It is a cyclic number.

It is not a de Polignac number, because 61009673 - 2¹⁶ = 60944137 is a prime.

It is not a weakly prime, because it can be changed into another prime (61009693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30504836 + 30504837.

It is an arithmetic number, because the mean of its divisors is an integer number (30504837).

Almost surely, 2^61009673 is an apocalyptic number.

It is an amenable number.

61009673 is a deficient number, since it is larger than the sum of its proper divisors (1).

61009673 is an equidigital number, since it uses as much as digits as its factorization.

61009673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 61009673 is about 7810.8689017292. The cubic root of 61009673 is about 393.6705247172.

Adding to 61009673 its reverse (37690016), we get a palindrome (98699689).

The spelling of 61009673 in words is "sixty-one million, nine thousand, six hundred seventy-three".