42254047 has 6 divisors (see below), whose sum is σ = 46444664. Its totient is φ = 38412660.

The previous prime is 42254041. The next prime is 42254053. The reversal of 42254047 is 74045224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42254041) and next prime (42254053).

It is not a de Polignac number, because 42254047 - 2¹¹ = 42251999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42254041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174483 + ... + 174724.

Almost surely, 2^42254047 is an apocalyptic number.

42254047 is a deficient number, since it is larger than the sum of its proper divisors (4190617).

42254047 is a wasteful number, since it uses less digits than its factorization.

42254047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349229 (or 349218 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 42254047 is about 6500.3113002379. The cubic root of 42254047 is about 348.3021086200.

The spelling of 42254047 in words is "forty-two million, two hundred fifty-four thousand, forty-seven".