60547561 has 4 divisors (see below), whose sum is σ = 60989652. Its totient is φ = 60105472.

The previous prime is 60547463. The next prime is 60547579. The reversal of 60547561 is 16574506.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35105625 + 25441936 = 5925^2 + 5044^2 .

It is a cyclic number.

It is not a de Polignac number, because 60547561 - 2⁹ = 60547049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60541561) 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, 220840 + ... + 221113.

It is an arithmetic number, because the mean of its divisors is an integer number (15247413).

Almost surely, 2^60547561 is an apocalyptic number.

It is an amenable number.

60547561 is a deficient number, since it is larger than the sum of its proper divisors (442091).

60547561 is a wasteful number, since it uses less digits than its factorization.

60547561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442090.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 60547561 is about 7781.2313292949. The cubic root of 60547561 is about 392.6740645452.

The spelling of 60547561 in words is "sixty million, five hundred forty-seven thousand, five hundred sixty-one".