42025624 has 8 divisors (see below), whose sum is σ = 78798060. Its totient is φ = 21012808.

The previous prime is 42025583. The next prime is 42025631. The reversal of 42025624 is 42652024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626594 + ... + 2626609.

Almost surely, 2^42025624 is an apocalyptic number.

It is an amenable number.

42025624 is a deficient number, since it is larger than the sum of its proper divisors (36772436).

42025624 is a wasteful number, since it uses less digits than its factorization.

42025624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253209 (or 5253205 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42025624 is about 6482.7173314899. The cubic root of 42025624 is about 347.6733403610.

Adding to 42025624 its reverse (42652024), we get a palindrome (84677648).

The spelling of 42025624 in words is "forty-two million, twenty-five thousand, six hundred twenty-four".