42254811 has 8 divisors (see below), whose sum is σ = 62599760. Its totient is φ = 28169856.

The previous prime is 42254801. The next prime is 42254819. The reversal of 42254811 is 11845224.

It is not a de Polignac number, because 42254811 - 2⁶ = 42254747 is a prime.

It is a super-3 number, since 3×42254811³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1564993 = 42254811 / (4 + 2 + 2 + 5 + 4 + 8 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42254819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782470 + ... + 782523.

It is an arithmetic number, because the mean of its divisors is an integer number (7824970).

Almost surely, 2^42254811 is an apocalyptic number.

42254811 is a deficient number, since it is larger than the sum of its proper divisors (20344949).

42254811 is a wasteful number, since it uses less digits than its factorization.

42254811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565002 (or 1564996 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 42254811 is about 6500.3700663885. The cubic root of 42254811 is about 348.3042078367.

The spelling of 42254811 in words is "forty-two million, two hundred fifty-four thousand, eight hundred eleven".