42959025 has 48 divisors (see below), whose sum is σ = 81502720. Its totient is φ = 22161600.

The previous prime is 42959023. The next prime is 42959027. The reversal of 42959025 is 52095924.

It is a happy number.

42959025 is a `hidden beast` number, since 42 + 9 + 590 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (42959023) and next prime (42959027).

It is not a de Polignac number, because 42959025 - 2¹ = 42959023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42959023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19899 + ... + 21951.

Almost surely, 2^42959025 is an apocalyptic number.

42959025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42959025 is a deficient number, since it is larger than the sum of its proper divisors (38543695).

42959025 is a wasteful number, since it uses less digits than its factorization.

42959025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 42959025 is about 6554.3134651922. The cubic root of 42959025 is about 350.2284902582.

The spelling of 42959025 in words is "forty-two million, nine hundred fifty-nine thousand, twenty-five".