42002925 has 12 divisors (see below), whose sum is σ = 69444960. Its totient is φ = 22401520.

The previous prime is 42002921. The next prime is 42002929. The reversal of 42002925 is 52920024.

42002925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42002921) and next prime (42002929).

It is not a de Polignac number, because 42002925 - 2² = 42002921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42002895 and 42002904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279945 + ... + 280094.

It is an arithmetic number, because the mean of its divisors is an integer number (5787080).

Almost surely, 2^42002925 is an apocalyptic number.

It is an amenable number.

42002925 is a deficient number, since it is larger than the sum of its proper divisors (27442035).

42002925 is a wasteful number, since it uses less digits than its factorization.

42002925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560052 (or 560047 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 42002925 is about 6480.9663631283. The cubic root of 42002925 is about 347.6107336489.

Adding to 42002925 its reverse (52920024), we get a palindrome (94922949).

The spelling of 42002925 in words is "forty-two million, two thousand, nine hundred twenty-five".