425142111 has 8 divisors (see below), whose sum is σ = 566952064. Its totient is φ = 283380120.

The previous prime is 425142101. The next prime is 425142149. The reversal of 425142111 is 111241524.

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

It is not a de Polignac number, because 425142111 - 2²¹ = 423044959 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 (425142101) 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, 24996 + ... + 38406.

It is an arithmetic number, because the mean of its divisors is an integer number (70869008).

Almost surely, 2^425142111 is an apocalyptic number.

425142111 is a deficient number, since it is larger than the sum of its proper divisors (141809953).

425142111 is a wasteful number, since it uses less digits than its factorization.

425142111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23981.

The product of its digits is 320, while the sum is 21.

The square root of 425142111 is about 20618.9745380317. The cubic root of 425142111 is about 751.9310893688.

Adding to 425142111 its reverse (111241524), we get a palindrome (536383635).

The spelling of 425142111 in words is "four hundred twenty-five million, one hundred forty-two thousand, one hundred eleven".