60971409 has 6 divisors (see below), whose sum is σ = 88069826. Its totient is φ = 40647600.

The previous prime is 60971381. The next prime is 60971423. The reversal of 60971409 is 90417906.

60971409 is a `hidden beast` number, since 609 + 7 + 1 + 40 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32455809 + 28515600 = 5697^2 + 5340^2 .

It is not a de Polignac number, because 60971409 - 2²⁴ = 44194193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60971909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3387292 + ... + 3387309.

Almost surely, 2^60971409 is an apocalyptic number.

It is an amenable number.

60971409 is a deficient number, since it is larger than the sum of its proper divisors (27098417).

60971409 is a wasteful number, since it uses less digits than its factorization.

60971409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774607 (or 6774604 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 60971409 is about 7808.4191101656. The cubic root of 60971409 is about 393.5882068460.

The spelling of 60971409 in words is "sixty million, nine hundred seventy-one thousand, four hundred nine".