60684991 has 2 divisors, whose sum is σ = 60684992. Its totient is φ = 60684990.

The previous prime is 60684983. The next prime is 60685003. The reversal of 60684991 is 19948606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60684991 - 2³ = 60684983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60684901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30342495 + 30342496.

It is an arithmetic number, because the mean of its divisors is an integer number (30342496).

Almost surely, 2^60684991 is an apocalyptic number.

60684991 is a deficient number, since it is larger than the sum of its proper divisors (1).

60684991 is an equidigital number, since it uses as much as digits as its factorization.

60684991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 60684991 is about 7790.0571884935. The cubic root of 60684991 is about 392.9709353984.

The spelling of 60684991 in words is "sixty million, six hundred eighty-four thousand, nine hundred ninety-one".