60681287 has 4 divisors (see below), whose sum is σ = 61044816. Its totient is φ = 60317760.

The previous prime is 60681263. The next prime is 60681329. The reversal of 60681287 is 78218606.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78218606 = 2 ⋅39109303.

It is a cyclic number.

It is not a de Polignac number, because 60681287 - 2⁶ = 60681223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60681287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60681227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181514 + ... + 181847.

It is an arithmetic number, because the mean of its divisors is an integer number (15261204).

Almost surely, 2^60681287 is an apocalyptic number.

60681287 is a deficient number, since it is larger than the sum of its proper divisors (363529).

60681287 is a wasteful number, since it uses less digits than its factorization.

60681287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363528.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 60681287 is about 7789.8194459179. The cubic root of 60681287 is about 392.9629400444.

The spelling of 60681287 in words is "sixty million, six hundred eighty-one thousand, two hundred eighty-seven".