2523554509 has 16 divisors (see below), whose sum is σ = 2987665920. Its totient is φ = 2085552000.

The previous prime is 2523554489. The next prime is 2523554513. The reversal of 2523554509 is 9054553252.

2523554509 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 2523554509 - 2⁷ = 2523554381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523554599) 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, 144177 + ... + 160729.

It is an arithmetic number, because the mean of its divisors is an integer number (186729120).

Almost surely, 2^2523554509 is an apocalyptic number.

2523554509 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2523554509 is a deficient number, since it is larger than the sum of its proper divisors (464111411).

2523554509 is a wasteful number, since it uses less digits than its factorization.

2523554509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17340.

The product of its (nonzero) digits is 270000, while the sum is 40.

The square root of 2523554509 is about 50234.9928734941. The cubic root of 2523554509 is about 1361.4579428820.

The spelling of 2523554509 in words is "two billion, five hundred twenty-three million, five hundred fifty-four thousand, five hundred nine".