42510224 has 10 divisors (see below), whose sum is σ = 82363590. Its totient is φ = 21255104.

The previous prime is 42510211. The next prime is 42510241. The reversal of 42510224 is 42201524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 7463824 = 5920^2 + 2732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42510196 and 42510205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328429 + ... + 1328460.

It is an arithmetic number, because the mean of its divisors is an integer number (8236359).

Almost surely, 2^42510224 is an apocalyptic number.

It is an amenable number.

42510224 is a deficient number, since it is larger than the sum of its proper divisors (39853366).

42510224 is a wasteful number, since it uses less digits than its factorization.

42510224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656897 (or 2656891 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42510224 is about 6519.9865030535. The cubic root of 42510224 is about 349.0045839197.

Adding to 42510224 its reverse (42201524), we get a palindrome (84711748).

The spelling of 42510224 in words is "forty-two million, five hundred ten thousand, two hundred twenty-four".