61099007 has 2 divisors, whose sum is σ = 61099008. Its totient is φ = 61099006.

The previous prime is 61098977. The next prime is 61099019. The reversal of 61099007 is 70099016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61099007 - 2⁶ = 61098943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61099097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30549503 + 30549504.

It is an arithmetic number, because the mean of its divisors is an integer number (30549504).

Almost surely, 2^61099007 is an apocalyptic number.

61099007 is a deficient number, since it is larger than the sum of its proper divisors (1).

61099007 is an equidigital number, since it uses as much as digits as its factorization.

61099007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 61099007 is about 7816.5853798190. The cubic root of 61099007 is about 393.8625762929.

Subtracting 61099007 from its reverse (70099016), we obtain a palindrome (9000009).

The spelling of 61099007 in words is "sixty-one million, ninety-nine thousand, seven".