61874851 has 2 divisors, whose sum is σ = 61874852. Its totient is φ = 61874850.

The previous prime is 61874843. The next prime is 61874927. The reversal of 61874851 is 15847816.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61874851 - 2³ = 61874843 is a prime.

It is not a weakly prime, because it can be changed into another prime (61874821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30937425 + 30937426.

It is an arithmetic number, because the mean of its divisors is an integer number (30937426).

Almost surely, 2^61874851 is an apocalyptic number.

61874851 is a deficient number, since it is larger than the sum of its proper divisors (1).

61874851 is an equidigital number, since it uses as much as digits as its factorization.

61874851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 40.

The square root of 61874851 is about 7866.0568902087. The cubic root of 61874851 is about 395.5226771892.

The spelling of 61874851 in words is "sixty-one million, eight hundred seventy-four thousand, eight hundred fifty-one".