3125553531 has 8 divisors (see below), whose sum is σ = 4214229840. Its totient is φ = 2060289792.

The previous prime is 3125553521. The next prime is 3125553589. The reversal of 3125553531 is 1353555213.

It is a happy number.

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

It is not a de Polignac number, because 3125553531 - 2²³ = 3117164923 is a prime.

It is a super-2 number, since 2×3125553531² = 19538169750293135922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3125553492 and 3125553501.

It is not an unprimeable number, because it can be changed into a prime (3125553521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5852830 + ... + 5853363.

It is an arithmetic number, because the mean of its divisors is an integer number (526778730).

Almost surely, 2^3125553531 is an apocalyptic number.

3125553531 is a deficient number, since it is larger than the sum of its proper divisors (1088676309).

3125553531 is a wasteful number, since it uses less digits than its factorization.

3125553531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11706285.

The product of its digits is 33750, while the sum is 33.

The square root of 3125553531 is about 55906.6501500492. The cubic root of 3125553531 is about 1462.0951858482.

The spelling of 3125553531 in words is "three billion, one hundred twenty-five million, five hundred fifty-three thousand, five hundred thirty-one".