42030625 has 40 divisors (see below), whose sum is σ = 64729280. Its totient is φ = 26568000.

The previous prime is 42030623. The next prime is 42030629. The reversal of 42030625 is 52603024.

It is a happy number.

It is not a de Polignac number, because 42030625 - 2¹ = 42030623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42030596 and 42030605.

It is not an unprimeable number, because it can be changed into a prime (42030623) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 56506 + ... + 57244.

It is an arithmetic number, because the mean of its divisors is an integer number (1618232).

Almost surely, 2^42030625 is an apocalyptic number.

It is an amenable number.

42030625 is a deficient number, since it is larger than the sum of its proper divisors (22698655).

42030625 is an equidigital number, since it uses as much as digits as its factorization.

42030625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42030625 is about 6483.1030378978. The cubic root of 42030625 is about 347.6871307207.

Adding to 42030625 its reverse (52603024), we get a palindrome (94633649).

It can be divided in two parts, 4 and 2030625, that multiplied together give a square (8122500 = 2850²).

The spelling of 42030625 in words is "forty-two million, thirty thousand, six hundred twenty-five".