42425011 has 4 divisors (see below), whose sum is σ = 42695392. Its totient is φ = 42154632.

The previous prime is 42424981. The next prime is 42425021. The reversal of 42425011 is 11052424.

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

It is a cyclic number.

It is not a de Polignac number, because 42425011 - 2¹⁹ = 41900723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42425011.

It is not an unprimeable number, because it can be changed into a prime (42425021) 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, 134955 + ... + 135268.

It is an arithmetic number, because the mean of its divisors is an integer number (10673848).

Almost surely, 2^42425011 is an apocalyptic number.

42425011 is a deficient number, since it is larger than the sum of its proper divisors (270381).

42425011 is a wasteful number, since it uses less digits than its factorization.

42425011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270380.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 42425011 is about 6513.4484721997. The cubic root of 42425011 is about 348.7712312627.

Adding to 42425011 its reverse (11052424), we get a palindrome (53477435).

The spelling of 42425011 in words is "forty-two million, four hundred twenty-five thousand, eleven".