61259351 has 2 divisors, whose sum is σ = 61259352. Its totient is φ = 61259350.

The previous prime is 61259321. The next prime is 61259389. The reversal of 61259351 is 15395216.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61259351 is a prime.

It is a Sophie Germain 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 (61259321) 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, 30629675 + 30629676.

It is an arithmetic number, because the mean of its divisors is an integer number (30629676).

Almost surely, 2^61259351 is an apocalyptic number.

61259351 is a deficient number, since it is larger than the sum of its proper divisors (1).

61259351 is an equidigital number, since it uses as much as digits as its factorization.

61259351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 32.

The square root of 61259351 is about 7826.8353119252. The cubic root of 61259351 is about 394.2068172182.

The spelling of 61259351 in words is "sixty-one million, two hundred fifty-nine thousand, three hundred fifty-one".