2531230045 has 16 divisors (see below), whose sum is σ = 3290950080. Its totient is φ = 1861542144.

The previous prime is 2531230007. The next prime is 2531230049. The reversal of 2531230045 is 5400321352.

It is a cyclic number.

It is not a de Polignac number, because 2531230045 - 2¹⁹ = 2530705757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531230049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342615 + ... + 349924.

It is an arithmetic number, because the mean of its divisors is an integer number (205684380).

Almost surely, 2^2531230045 is an apocalyptic number.

It is an amenable number.

2531230045 is a deficient number, since it is larger than the sum of its proper divisors (759720035).

2531230045 is a wasteful number, since it uses less digits than its factorization.

2531230045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692604.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2531230045 is about 50311.3311789700. The cubic root of 2531230045 is about 1362.8368633168.

Adding to 2531230045 its reverse (5400321352), we get a palindrome (7931551397).

The spelling of 2531230045 in words is "two billion, five hundred thirty-one million, two hundred thirty thousand, forty-five".