60978571 has 2 divisors, whose sum is σ = 60978572. Its totient is φ = 60978570.

The previous prime is 60978569. The next prime is 60978583. The reversal of 60978571 is 17587906.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60978571 - 2¹ = 60978569 is a prime.

It is a super-2 number, since 2×60978571² = 7436772242404082, which contains 22 as substring.

Together with 60978569, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (60975571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30489285 + 30489286.

It is an arithmetic number, because the mean of its divisors is an integer number (30489286).

Almost surely, 2^60978571 is an apocalyptic number.

60978571 is a deficient number, since it is larger than the sum of its proper divisors (1).

60978571 is an equidigital number, since it uses as much as digits as its factorization.

60978571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 60978571 is about 7808.8777042543. The cubic root of 60978571 is about 393.6036171747.

The spelling of 60978571 in words is "sixty million, nine hundred seventy-eight thousand, five hundred seventy-one".