42452512 has 12 divisors (see below), whose sum is σ = 83578446. Its totient is φ = 21226240.

The previous prime is 42452497. The next prime is 42452537. The reversal of 42452512 is 21525424.

It can be written as a sum of positive squares in only one way, i.e., 28344976 + 14107536 = 5324^2 + 3756^2 .

It is a super-2 number, since 2×42452512² = 3604431550220288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663289 + ... + 663352.

Almost surely, 2^42452512 is an apocalyptic number.

It is an amenable number.

42452512 is a deficient number, since it is larger than the sum of its proper divisors (41125934).

42452512 is a wasteful number, since it uses less digits than its factorization.

42452512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326651 (or 1326643 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 42452512 is about 6515.5592238886. The cubic root of 42452512 is about 348.8465758582.

Adding to 42452512 its reverse (21525424), we get a palindrome (63977936).

The spelling of 42452512 in words is "forty-two million, four hundred fifty-two thousand, five hundred twelve".