42725353 has 4 divisors (see below), whose sum is σ = 46609488. Its totient is φ = 38841220.

The previous prime is 42725351. The next prime is 42725401. The reversal of 42725353 is 35352724.

It is the 2669-th star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42725353 - 2¹ = 42725351 is a prime.

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 a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42725351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942051 + ... + 1942072.

It is an arithmetic number, because the mean of its divisors is an integer number (11652372).

Almost surely, 2^42725353 is an apocalyptic number.

It is an amenable number.

42725353 is a deficient number, since it is larger than the sum of its proper divisors (3884135).

42725353 is a wasteful number, since it uses less digits than its factorization.

42725353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884134.

The product of its digits is 25200, while the sum is 31.

The square root of 42725353 is about 6536.4633403699. The cubic root of 42725353 is about 349.5923226037.

The spelling of 42725353 in words is "forty-two million, seven hundred twenty-five thousand, three hundred fifty-three".