2531540354 has 32 divisors (see below), whose sum is σ = 4580428800. Its totient is φ = 1025090640.

The previous prime is 2531540309. The next prime is 2531540357. The reversal of 2531540354 is 4530451352.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2531540354.

It is not an unprimeable number, because it can be changed into a prime (2531540357) 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, 88259 + ... + 113369.

It is an arithmetic number, because the mean of its divisors is an integer number (143138400).

Almost surely, 2^2531540354 is an apocalyptic number.

2531540354 is a deficient number, since it is larger than the sum of its proper divisors (2048888446).

2531540354 is a wasteful number, since it uses less digits than its factorization.

2531540354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25518.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 2531540354 is about 50314.4149722522. The cubic root of 2531540354 is about 1362.8925520869.

The spelling of 2531540354 in words is "two billion, five hundred thirty-one million, five hundred forty thousand, three hundred fifty-four".