61003207 has 2 divisors, whose sum is σ = 61003208. Its totient is φ = 61003206.

The previous prime is 61003183. The next prime is 61003213. The reversal of 61003207 is 70230016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61003207 - 2⁷ = 61003079 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 (61003277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30501603 + 30501604.

It is an arithmetic number, because the mean of its divisors is an integer number (30501604).

Almost surely, 2^61003207 is an apocalyptic number.

61003207 is a deficient number, since it is larger than the sum of its proper divisors (1).

61003207 is an equidigital number, since it uses as much as digits as its factorization.

61003207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 61003207 is about 7810.4549803453. The cubic root of 61003207 is about 393.6566167393.

The spelling of 61003207 in words is "sixty-one million, three thousand, two hundred seven".