42354825 has 24 divisors (see below), whose sum is σ = 71923968. Its totient is φ = 21977280.

The previous prime is 42354811. The next prime is 42354827. The reversal of 42354825 is 52845324.

It is not a de Polignac number, because 42354825 - 2¹⁸ = 42092681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42354827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4857 + ... + 10406.

It is an arithmetic number, because the mean of its divisors is an integer number (2996832).

Almost surely, 2^42354825 is an apocalyptic number.

It is an amenable number.

42354825 is a deficient number, since it is larger than the sum of its proper divisors (29569143).

42354825 is a wasteful number, since it uses less digits than its factorization.

42354825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15313 (or 15308 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 42354825 is about 6508.0584662401. The cubic root of 42354825 is about 348.5787947071.

The spelling of 42354825 in words is "forty-two million, three hundred fifty-four thousand, eight hundred twenty-five".