42025101 has 4 divisors (see below), whose sum is σ = 56033472. Its totient is φ = 28016732.

The previous prime is 42025079. The next prime is 42025111. The reversal of 42025101 is 10152024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42025101 - 2⁵ = 42025069 is a prime.

It is a super-2 number, since 2×42025101² = 3532218228120402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42025111) 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, 7004181 + ... + 7004186.

It is an arithmetic number, because the mean of its divisors is an integer number (14008368).

Almost surely, 2^42025101 is an apocalyptic number.

It is an amenable number.

42025101 is a deficient number, since it is larger than the sum of its proper divisors (14008371).

42025101 is a wasteful number, since it uses less digits than its factorization.

42025101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14008370.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 42025101 is about 6482.6769933416. The cubic root of 42025101 is about 347.6718981147.

Adding to 42025101 its reverse (10152024), we get a palindrome (52177125).

The spelling of 42025101 in words is "forty-two million, twenty-five thousand, one hundred one".