42254051 has 4 divisors (see below), whose sum is σ = 48290352. Its totient is φ = 36217752.

The previous prime is 42254041. The next prime is 42254053. The reversal of 42254051 is 15045224.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42254051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42254053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3018140 + ... + 3018153.

It is an arithmetic number, because the mean of its divisors is an integer number (12072588).

Almost surely, 2^42254051 is an apocalyptic number.

42254051 is a deficient number, since it is larger than the sum of its proper divisors (6036301).

42254051 is an equidigital number, since it uses as much as digits as its factorization.

42254051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6036300.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 42254051 is about 6500.3116079154. The cubic root of 42254051 is about 348.3021196107.

Adding to 42254051 its reverse (15045224), we get a palindrome (57299275).

The spelling of 42254051 in words is "forty-two million, two hundred fifty-four thousand, fifty-one".