2545533231 has 8 divisors (see below), whose sum is σ = 3400848000. Its totient is φ = 1693620312.

The previous prime is 2545533223. The next prime is 2545533247. The reversal of 2545533231 is 1323355452.

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

It is not a de Polignac number, because 2545533231 - 2³ = 2545533223 is a prime.

It is a super-2 number, since 2×2545533231² = 12959478860250598722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2545533192 and 2545533201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545533631) 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, 848715 + ... + 851708.

It is an arithmetic number, because the mean of its divisors is an integer number (425106000).

Almost surely, 2^2545533231 is an apocalyptic number.

2545533231 is a deficient number, since it is larger than the sum of its proper divisors (855314769).

2545533231 is a wasteful number, since it uses less digits than its factorization.

2545533231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700925.

The product of its digits is 54000, while the sum is 33.

The square root of 2545533231 is about 50453.2777032375. The cubic root of 2545533231 is about 1365.3990310540.

Adding to 2545533231 its reverse (1323355452), we get a palindrome (3868888683).

The spelling of 2545533231 in words is "two billion, five hundred forty-five million, five hundred thirty-three thousand, two hundred thirty-one".