42500011 has 8 divisors (see below), whose sum is σ = 43480800. Its totient is φ = 41525952.

The previous prime is 42499999. The next prime is 42500023. The reversal of 42500011 is 11000524.

It is an interprime number because it is at equal distance from previous prime (42499999) and next prime (42500023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42500011 - 2¹³ = 42491819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42499964 and 42500000.

It is not an unprimeable number, because it can be changed into a prime (42500071) 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, 12415 + ... + 15463.

It is an arithmetic number, because the mean of its divisors is an integer number (5435100).

Almost surely, 2^42500011 is an apocalyptic number.

42500011 is a deficient number, since it is larger than the sum of its proper divisors (980789).

42500011 is a wasteful number, since it uses less digits than its factorization.

42500011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 42500011 is about 6519.2032488641. The cubic root of 42500011 is about 348.9766324532.

Adding to 42500011 its reverse (11000524), we get a palindrome (53500535).

The spelling of 42500011 in words is "forty-two million, five hundred thousand, eleven".