42513232 has 10 divisors (see below), whose sum is σ = 82369418. Its totient is φ = 21256608.

The previous prime is 42513227. The next prime is 42513281. The reversal of 42513232 is 23231524.

It can be written as a sum of positive squares in only one way, i.e., 41267776 + 1245456 = 6424^2 + 1116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328523 + ... + 1328554.

Almost surely, 2^42513232 is an apocalyptic number.

It is an amenable number.

42513232 is a deficient number, since it is larger than the sum of its proper divisors (39856186).

42513232 is a wasteful number, since it uses less digits than its factorization.

42513232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657085 (or 2657079 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 42513232 is about 6520.2171742972. The cubic root of 42513232 is about 349.0128155161.

Adding to 42513232 its reverse (23231524), we get a palindrome (65744756).

The spelling of 42513232 in words is "forty-two million, five hundred thirteen thousand, two hundred thirty-two".