32543442 has 12 divisors (see below), whose sum is σ = 70510830. Its totient is φ = 10847808.

The previous prime is 32543437. The next prime is 32543471. The reversal of 32543442 is 24434523.

It can be written as a sum of positive squares in only one way, i.e., 30902481 + 1640961 = 5559^2 + 1281^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 903967 + ... + 904002.

Almost surely, 2^32543442 is an apocalyptic number.

32543442 is an abundant number, since it is smaller than the sum of its proper divisors (37967388).

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

32543442 is a wasteful number, since it uses less digits than its factorization.

32543442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807977 (or 1807974 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 32543442 is about 5704.6859685700. The cubic root of 32543442 is about 319.2673407398.

Adding to 32543442 its reverse (24434523), we get a palindrome (56977965).

The spelling of 32543442 in words is "thirty-two million, five hundred forty-three thousand, four hundred forty-two".