60643531 has 8 divisors (see below), whose sum is σ = 65956464. Its totient is φ = 55423200.

The previous prime is 60643523. The next prime is 60643559. The reversal of 60643531 is 13534606.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 60643531 - 2³ = 60643523 is a prime.

It is a super-2 number, since 2×60643531² = 7355275704295922, which contains 22 as substring.

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 60643531.

It is not an unprimeable number, because it can be changed into a prime (60643511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21781 + ... + 24406.

It is an arithmetic number, because the mean of its divisors is an integer number (8244558).

Almost surely, 2^60643531 is an apocalyptic number.

60643531 is a deficient number, since it is larger than the sum of its proper divisors (5312933).

60643531 is a wasteful number, since it uses less digits than its factorization.

60643531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46301.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 60643531 is about 7787.3956493811. The cubic root of 60643531 is about 392.8814223987.

The spelling of 60643531 in words is "sixty million, six hundred forty-three thousand, five hundred thirty-one".