42625354 has 4 divisors (see below), whose sum is σ = 63938034. Its totient is φ = 21312676.

The previous prime is 42625351. The next prime is 42625367. The reversal of 42625354 is 45352624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42575625 + 49729 = 6525^2 + 223^2 .

It is a super-3 number, since 3×42625354³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42625351) 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 as a sum of consecutive naturals, namely, 10656337 + ... + 10656340.

Almost surely, 2^42625354 is an apocalyptic number.

42625354 is a deficient number, since it is larger than the sum of its proper divisors (21312680).

42625354 is a wasteful number, since it uses less digits than its factorization.

42625354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21312679.

The product of its digits is 28800, while the sum is 31.

The square root of 42625354 is about 6528.8095392652. The cubic root of 42625354 is about 349.3193684163.

Adding to 42625354 its reverse (45352624), we get a palindrome (87977978).

The spelling of 42625354 in words is "forty-two million, six hundred twenty-five thousand, three hundred fifty-four".