2531544045 has 8 divisors (see below), whose sum is σ = 4050470496. Its totient is φ = 1350156816.

The previous prime is 2531544007. The next prime is 2531544053. The reversal of 2531544045 is 5404451352.

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

It is not a de Polignac number, because 2531544045 - 2⁸ = 2531543789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2531543997 and 2531544015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84384787 + ... + 84384816.

It is an arithmetic number, because the mean of its divisors is an integer number (506308812).

Almost surely, 2^2531544045 is an apocalyptic number.

It is an amenable number.

2531544045 is a deficient number, since it is larger than the sum of its proper divisors (1518926451).

2531544045 is a wasteful number, since it uses less digits than its factorization.

2531544045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168769611.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 2531544045 is about 50314.4516515881. The cubic root of 2531544045 is about 1362.8932144549.

Adding to 2531544045 its reverse (5404451352), we get a palindrome (7935995397).

The spelling of 2531544045 in words is "two billion, five hundred thirty-one million, five hundred forty-four thousand, forty-five".