42598725 has 24 divisors (see below), whose sum is σ = 75849312. Its totient is φ = 20971200.

The previous prime is 42598687. The next prime is 42598727. The reversal of 42598725 is 52789524.

42598725 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 42598725 - 2⁷ = 42598597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42598727) 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, 20871 + ... + 22820.

It is an arithmetic number, because the mean of its divisors is an integer number (3160388).

Almost surely, 2^42598725 is an apocalyptic number.

It is an amenable number.

42598725 is a deficient number, since it is larger than the sum of its proper divisors (33250587).

42598725 is a wasteful number, since it uses less digits than its factorization.

42598725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43717 (or 43712 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 42598725 is about 6526.7698749075. The cubic root of 42598725 is about 349.2466107551.

The spelling of 42598725 in words is "forty-two million, five hundred ninety-eight thousand, seven hundred twenty-five".