60705231 has 4 divisors (see below), whose sum is σ = 80940312. Its totient is φ = 40470152.

The previous prime is 60705191. The next prime is 60705233. The reversal of 60705231 is 13250706.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60705231 is a prime.

It is a super-2 number, since 2×60705231² = 7370250141526722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60705233) 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, 10117536 + ... + 10117541.

It is an arithmetic number, because the mean of its divisors is an integer number (20235078).

Almost surely, 2^60705231 is an apocalyptic number.

60705231 is a deficient number, since it is larger than the sum of its proper divisors (20235081).

60705231 is a wasteful number, since it uses less digits than its factorization.

60705231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20235080.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 60705231 is about 7791.3561720666. The cubic root of 60705231 is about 393.0146191688.

Adding to 60705231 its reverse (13250706), we get a palindrome (73955937).

The spelling of 60705231 in words is "sixty million, seven hundred five thousand, two hundred thirty-one".