2125334531 has 4 divisors (see below), whose sum is σ = 2125617312. Its totient is φ = 2125051752.

The previous prime is 2125334479. The next prime is 2125334539. The reversal of 2125334531 is 1354335212.

It is a happy number.

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 2125334531 - 2²⁶ = 2058225667 is a prime.

It is a super-2 number, since 2×2125334531² = 9034093737321979922, 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 = 2125334494 and 2125334503.

It is not an unprimeable number, because it can be changed into a prime (2125334539) 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, 129800 + ... + 145253.

It is an arithmetic number, because the mean of its divisors is an integer number (531404328).

Almost surely, 2^2125334531 is an apocalyptic number.

2125334531 is a deficient number, since it is larger than the sum of its proper divisors (282781).

2125334531 is an equidigital number, since it uses as much as digits as its factorization.

2125334531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282780.

The product of its digits is 10800, while the sum is 29.

The square root of 2125334531 is about 46101.3506418196. The cubic root of 2125334531 is about 1285.7082563697.

Adding to 2125334531 its reverse (1354335212), we get a palindrome (3479669743).

The spelling of 2125334531 in words is "two billion, one hundred twenty-five million, three hundred thirty-four thousand, five hundred thirty-one".