60545021 has 4 divisors (see below), whose sum is σ = 60565692. Its totient is φ = 60524352.

The previous prime is 60545003. The next prime is 60545029. The reversal of 60545021 is 12054506.

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 19456921 + 41088100 = 4411^2 + 6410^2 .

It is a cyclic number.

It is not a de Polignac number, because 60545021 - 2¹⁰ = 60543997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60545029) 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, 5036 + ... + 12101.

It is an arithmetic number, because the mean of its divisors is an integer number (15141423).

Almost surely, 2^60545021 is an apocalyptic number.

It is an amenable number.

60545021 is a deficient number, since it is larger than the sum of its proper divisors (20671).

60545021 is a wasteful number, since it uses less digits than its factorization.

60545021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20670.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 60545021 is about 7781.0681143401. The cubic root of 60545021 is about 392.6685735116.

Adding to 60545021 its reverse (12054506), we get a palindrome (72599527).

The spelling of 60545021 in words is "sixty million, five hundred forty-five thousand, twenty-one".