60442531 has 4 divisors (see below), whose sum is σ = 63997992. Its totient is φ = 56887072.

The previous prime is 60442511. The next prime is 60442537. The reversal of 60442531 is 13524406.

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-60442531 is a prime.

It is a super-2 number, since 2×60442531² = 7306599107371922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60442496 and 60442505.

It is not an unprimeable number, because it can be changed into a prime (60442537) 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, 1777705 + ... + 1777738.

It is an arithmetic number, because the mean of its divisors is an integer number (15999498).

Almost surely, 2^60442531 is an apocalyptic number.

60442531 is a deficient number, since it is larger than the sum of its proper divisors (3555461).

60442531 is a wasteful number, since it uses less digits than its factorization.

60442531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555460.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 60442531 is about 7774.4794681059. The cubic root of 60442531 is about 392.4468799060.

Adding to 60442531 its reverse (13524406), we get a palindrome (73966937).

The spelling of 60442531 in words is "sixty million, four hundred forty-two thousand, five hundred thirty-one".