2531445413 has 16 divisors (see below), whose sum is σ = 2952740736. Its totient is φ = 2125206720.

The previous prime is 2531445403. The next prime is 2531445421. The reversal of 2531445413 is 3145441352.

2531445413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2531445413 - 2¹⁰ = 2531444389 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2531445413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531445403) 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, 221858 + ... + 232988.

It is an arithmetic number, because the mean of its divisors is an integer number (184546296).

Almost surely, 2^2531445413 is an apocalyptic number.

It is an amenable number.

2531445413 is a deficient number, since it is larger than the sum of its proper divisors (421295323).

2531445413 is a wasteful number, since it uses less digits than its factorization.

2531445413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11804.

The product of its digits is 28800, while the sum is 32.

The square root of 2531445413 is about 50313.4714862729. The cubic root of 2531445413 is about 1362.8755142388.

Adding to 2531445413 its reverse (3145441352), we get a palindrome (5676886765).

The spelling of 2531445413 in words is "two billion, five hundred thirty-one million, four hundred forty-five thousand, four hundred thirteen".