42984025 has 18 divisors (see below), whose sum is σ = 62004030. Its totient is φ = 29473920.

The previous prime is 42984017. The next prime is 42984043. The reversal of 42984025 is 52048924.

It can be written as a sum of positive squares in 3 ways, for example, as 7414729 + 35569296 = 2723^2 + 5964^2 .

It is not a de Polignac number, because 42984025 - 2³ = 42984017 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16320 + ... + 18769.

Almost surely, 2^42984025 is an apocalyptic number.

It is an amenable number.

42984025 is a deficient number, since it is larger than the sum of its proper divisors (19020005).

42984025 is a wasteful number, since it uses less digits than its factorization.

42984025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35113 (or 35101 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 42984025 is about 6556.2203288175. The cubic root of 42984025 is about 350.2964155610.

The spelling of 42984025 in words is "forty-two million, nine hundred eighty-four thousand, twenty-five".