61210673 has 2 divisors, whose sum is σ = 61210674. Its totient is φ = 61210672.

The previous prime is 61210657. The next prime is 61210679. The reversal of 61210673 is 37601216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32126224 + 29084449 = 5668^2 + 5393^2 .

It is a cyclic number.

It is not a de Polignac number, because 61210673 - 2⁴ = 61210657 is a prime.

It is a super-2 number, since 2×61210673² = 7493492978225858, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (61210679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30605336 + 30605337.

It is an arithmetic number, because the mean of its divisors is an integer number (30605337).

Almost surely, 2^61210673 is an apocalyptic number.

It is an amenable number.

61210673 is a deficient number, since it is larger than the sum of its proper divisors (1).

61210673 is an equidigital number, since it uses as much as digits as its factorization.

61210673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 61210673 is about 7823.7250079486. The cubic root of 61210673 is about 394.1023744727.

Adding to 61210673 its reverse (37601216), we get a palindrome (98811889).

The spelling of 61210673 in words is "sixty-one million, two hundred ten thousand, six hundred seventy-three".