32002542 has 48 divisors (see below), whose sum is σ = 81467568. Its totient is φ = 8951040.

The previous prime is 32002541. The next prime is 32002549. The reversal of 32002542 is 24520023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32002541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3643 + ... + 8790.

It is an arithmetic number, because the mean of its divisors is an integer number (1697241).

Almost surely, 2^32002542 is an apocalyptic number.

32002542 is an abundant number, since it is smaller than the sum of its proper divisors (49465026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32002542 is a wasteful number, since it uses less digits than its factorization.

32002542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12465 (or 12462 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 32002542 is about 5657.0789282102. The cubic root of 32002542 is about 317.4886167825.

Adding to 32002542 its reverse (24520023), we get a palindrome (56522565).

The spelling of 32002542 in words is "thirty-two million, two thousand, five hundred forty-two".