61675247 has 2 divisors, whose sum is σ = 61675248. Its totient is φ = 61675246.

The previous prime is 61675231. The next prime is 61675261. The reversal of 61675247 is 74257616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61675247 - 2⁴ = 61675231 is a prime.

It is a super-2 number, since 2×61675247² = 7607672185022018, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61675247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61675217) 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, 30837623 + 30837624.

It is an arithmetic number, because the mean of its divisors is an integer number (30837624).

Almost surely, 2^61675247 is an apocalyptic number.

61675247 is a deficient number, since it is larger than the sum of its proper divisors (1).

61675247 is an equidigital number, since it uses as much as digits as its factorization.

61675247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 61675247 is about 7853.3589628897. The cubic root of 61675247 is about 395.0969094061.

The spelling of 61675247 in words is "sixty-one million, six hundred seventy-five thousand, two hundred forty-seven".