42254741 has 4 divisors (see below), whose sum is σ = 44740332. Its totient is φ = 39769152.

The previous prime is 42254717. The next prime is 42254743. The reversal of 42254741 is 14745224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28408900 + 13845841 = 5330^2 + 3721^2 .

It is a cyclic number.

It is not a de Polignac number, because 42254741 - 2¹⁸ = 41992597 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 (42254743) 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, 1242770 + ... + 1242803.

It is an arithmetic number, because the mean of its divisors is an integer number (11185083).

Almost surely, 2^42254741 is an apocalyptic number.

It is an amenable number.

42254741 is a deficient number, since it is larger than the sum of its proper divisors (2485591).

42254741 is a wasteful number, since it uses less digits than its factorization.

42254741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485590.

The product of its digits is 8960, while the sum is 29.

The square root of 42254741 is about 6500.3646820775. The cubic root of 42254741 is about 348.3040155012.

Adding to 42254741 its reverse (14745224), we get a palindrome (56999965).

The spelling of 42254741 in words is "forty-two million, two hundred fifty-four thousand, seven hundred forty-one".