3425521131 has 32 divisors (see below), whose sum is σ = 5447027520. Its totient is φ = 2119882752.

The previous prime is 3425521129. The next prime is 3425521157. The reversal of 3425521131 is 1311255243.

3425521131 is a `hidden beast` number, since 3 + 4 + 2 + 5 + 521 + 131 = 666.

It is not a de Polignac number, because 3425521131 - 2¹ = 3425521129 is a prime.

It is a super-2 number, since 2×3425521131² = 23468390037855038322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3425521095 and 3425521104.

It is not an unprimeable number, because it can be changed into a prime (3425521171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17610 + ... + 84623.

It is an arithmetic number, because the mean of its divisors is an integer number (170219610).

Almost surely, 2^3425521131 is an apocalyptic number.

3425521131 is a deficient number, since it is larger than the sum of its proper divisors (2021506389).

3425521131 is a wasteful number, since it uses less digits than its factorization.

3425521131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102332 (or 102326 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 3425521131 is about 58527.9517068554. The cubic root of 3425521131 is about 1507.4475732368.

Adding to 3425521131 its reverse (1311255243), we get a palindrome (4736776374).

The spelling of 3425521131 in words is "three billion, four hundred twenty-five million, five hundred twenty-one thousand, one hundred thirty-one".