42201625 has 16 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 33250800.

The previous prime is 42201613. The next prime is 42201647. The reversal of 42201625 is 52610224.

It is not a de Polignac number, because 42201625 - 2²⁵ = 8647193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42201596 and 42201605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5856 + ... + 10894.

It is an arithmetic number, because the mean of its divisors is an integer number (3341520).

Almost surely, 2^42201625 is an apocalyptic number.

It is an amenable number.

42201625 is a deficient number, since it is larger than the sum of its proper divisors (11262695).

42201625 is an equidigital number, since it uses as much as digits as its factorization.

42201625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121 (or 5111 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42201625 is about 6496.2777803909. The cubic root of 42201625 is about 348.1580100034.

Adding to 42201625 its reverse (52610224), we get a palindrome (94811849).

The spelling of 42201625 in words is "forty-two million, two hundred one thousand, six hundred twenty-five".