425511131 has 4 divisors (see below), whose sum is σ = 425567664. Its totient is φ = 425454600.

The previous prime is 425511091. The next prime is 425511181. The reversal of 425511131 is 131115524.

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 425511131 - 2⁶ = 425511067 is a prime.

It is a super-2 number, since 2×425511131² = 362119445209798322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425511097 and 425511106.

It is not an unprimeable number, because it can be changed into a prime (425511181) 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, 14855 + ... + 32736.

It is an arithmetic number, because the mean of its divisors is an integer number (106391916).

Almost surely, 2^425511131 is an apocalyptic number.

425511131 is a deficient number, since it is larger than the sum of its proper divisors (56533).

425511131 is an equidigital number, since it uses as much as digits as its factorization.

425511131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56532.

The product of its digits is 600, while the sum is 23.

The square root of 425511131 is about 20627.9211507122. The cubic root of 425511131 is about 752.1485832055.

Adding to 425511131 its reverse (131115524), we get a palindrome (556626655).

The spelling of 425511131 in words is "four hundred twenty-five million, five hundred eleven thousand, one hundred thirty-one".