60921271 has 2 divisors, whose sum is σ = 60921272. Its totient is φ = 60921270.

The previous prime is 60921269. The next prime is 60921283. The reversal of 60921271 is 17212906.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60921271 - 2¹ = 60921269 is a prime.

It is a super-2 number, since 2×60921271² = 7422802520510882, which contains 22 as substring.

Together with 60921269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60921671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30460635 + 30460636.

It is an arithmetic number, because the mean of its divisors is an integer number (30460636).

Almost surely, 2^60921271 is an apocalyptic number.

60921271 is a deficient number, since it is larger than the sum of its proper divisors (1).

60921271 is an equidigital number, since it uses as much as digits as its factorization.

60921271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 60921271 is about 7805.2079408559. The cubic root of 60921271 is about 393.4802921285.

The spelling of 60921271 in words is "sixty million, nine hundred twenty-one thousand, two hundred seventy-one".