60537531 has 4 divisors (see below), whose sum is σ = 80716712. Its totient is φ = 40358352.

The previous prime is 60537487. The next prime is 60537557. The reversal of 60537531 is 13573506.

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

It is not a de Polignac number, because 60537531 - 2⁹ = 60537019 is a prime.

It is a super-2 number, since 2×60537531² = 7329585319151922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60537571) 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, 10089586 + ... + 10089591.

It is an arithmetic number, because the mean of its divisors is an integer number (20179178).

Almost surely, 2^60537531 is an apocalyptic number.

60537531 is a deficient number, since it is larger than the sum of its proper divisors (20179181).

60537531 is a wasteful number, since it uses less digits than its factorization.

60537531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20179180.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 60537531 is about 7780.5868030631. The cubic root of 60537531 is about 392.6523805539.

The spelling of 60537531 in words is "sixty million, five hundred thirty-seven thousand, five hundred thirty-one".