42632825 has 12 divisors (see below), whose sum is σ = 54155388. Its totient is φ = 33273600.

The previous prime is 42632801. The next prime is 42632899. The reversal of 42632825 is 52823624.

It can be written as a sum of positive squares in 6 ways, for example, as 13169641 + 29463184 = 3629^2 + 5428^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42632825 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42632791 and 42632800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19772 + ... + 21821.

It is an arithmetic number, because the mean of its divisors is an integer number (4512949).

Almost surely, 2^42632825 is an apocalyptic number.

It is an amenable number.

42632825 is a deficient number, since it is larger than the sum of its proper divisors (11522563).

42632825 is a wasteful number, since it uses less digits than its factorization.

42632825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41644 (or 41639 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 42632825 is about 6529.3816705719. The cubic root of 42632825 is about 349.3397757740.

The spelling of 42632825 in words is "forty-two million, six hundred thirty-two thousand, eight hundred twenty-five".