42725465 has 8 divisors (see below), whose sum is σ = 51314568. Its totient is φ = 34151040.

The previous prime is 42725453. The next prime is 42725477. The reversal of 42725465 is 56452724.

42725465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42725453) and next prime (42725477).

It can be written as a sum of positive squares in 4 ways, for example, as 22762441 + 19963024 = 4771^2 + 4468^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42725465 - 2⁶ = 42725401 is a prime.

It is a super-4 number, since 4×42725465⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4325 + ... + 10205.

It is an arithmetic number, because the mean of its divisors is an integer number (6414321).

Almost surely, 2^42725465 is an apocalyptic number.

It is an amenable number.

42725465 is a deficient number, since it is larger than the sum of its proper divisors (8589103).

42725465 is a wasteful number, since it uses less digits than its factorization.

42725465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339.

The product of its digits is 67200, while the sum is 35.

The square root of 42725465 is about 6536.4719076884. The cubic root of 42725465 is about 349.5926280765.

The spelling of 42725465 in words is "forty-two million, seven hundred twenty-five thousand, four hundred sixty-five".