42554125 has 16 divisors (see below), whose sum is σ = 53342640. Its totient is φ = 33892800.

The previous prime is 42554123. The next prime is 42554147. The reversal of 42554125 is 52145524.

It can be written as a sum of positive squares in 8 ways, for example, as 8003241 + 34550884 = 2829^2 + 5878^2 .

It is not a de Polignac number, because 42554125 - 2¹ = 42554123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42554093 and 42554102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42554123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34011 + ... + 35239.

It is an arithmetic number, because the mean of its divisors is an integer number (3333915).

Almost surely, 2^42554125 is an apocalyptic number.

It is an amenable number.

42554125 is a deficient number, since it is larger than the sum of its proper divisors (10788515).

42554125 is a wasteful number, since it uses less digits than its factorization.

42554125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521 (or 1511 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 42554125 is about 6523.3522823775. The cubic root of 42554125 is about 349.1246834904.

Adding to 42554125 its reverse (52145524), we get a palindrome (94699649).

The spelling of 42554125 in words is "forty-two million, five hundred fifty-four thousand, one hundred twenty-five".