60989471 has 2 divisors, whose sum is σ = 60989472. Its totient is φ = 60989470.

The previous prime is 60989443. The next prime is 60989473. The reversal of 60989471 is 17498906.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60989471 - 2¹⁸ = 60727327 is a prime.

It is a super-3 number, since 3×60989471³ (a number of 24 digits) contains 333 as substring.

Together with 60989473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60989473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30494735 + 30494736.

It is an arithmetic number, because the mean of its divisors is an integer number (30494736).

Almost surely, 2^60989471 is an apocalyptic number.

60989471 is a deficient number, since it is larger than the sum of its proper divisors (1).

60989471 is an equidigital number, since it uses as much as digits as its factorization.

60989471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 60989471 is about 7809.5755966634. The cubic root of 60989471 is about 393.6270681661.

The spelling of 60989471 in words is "sixty million, nine hundred eighty-nine thousand, four hundred seventy-one".