60939391 has 2 divisors, whose sum is σ = 60939392. Its totient is φ = 60939390.

The previous prime is 60939379. The next prime is 60939409. The reversal of 60939391 is 19393906.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60939391 - 2⁹ = 60938879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60939301) 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, 30469695 + 30469696.

It is an arithmetic number, because the mean of its divisors is an integer number (30469696).

Almost surely, 2^60939391 is an apocalyptic number.

60939391 is a deficient number, since it is larger than the sum of its proper divisors (1).

60939391 is an equidigital number, since it uses as much as digits as its factorization.

60939391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 60939391 is about 7806.3686179939. The cubic root of 60939391 is about 393.5192996104.

It can be divided in two parts, 609 and 39391, that added together give a square (40000 = 200²).

The spelling of 60939391 in words is "sixty million, nine hundred thirty-nine thousand, three hundred ninety-one".