42553425 has 24 divisors (see below), whose sum is σ = 70714720. Its totient is φ = 22579200.

The previous prime is 42553409. The next prime is 42553451. The reversal of 42553425 is 52435524.

It is not a de Polignac number, because 42553425 - 2⁴ = 42553409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42553392 and 42553401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14481 + ... + 17169.

Almost surely, 2^42553425 is an apocalyptic number.

It is an amenable number.

42553425 is a deficient number, since it is larger than the sum of its proper divisors (28161295).

42553425 is a wasteful number, since it uses less digits than its factorization.

42553425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913 (or 2908 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 42553425 is about 6523.2986287614. The cubic root of 42553425 is about 349.1227691548.

Adding to 42553425 its reverse (52435524), we get a palindrome (94988949).

The spelling of 42553425 in words is "forty-two million, five hundred fifty-three thousand, four hundred twenty-five".