2543069925 has 60 divisors (see below), whose sum is σ = 5138930016. Its totient is φ = 1232992800.

The previous prime is 2543069887. The next prime is 2543069929. The reversal of 2543069925 is 5299603452.

2543069925 is a `hidden beast` number, since 254 + 306 + 9 + 92 + 5 = 666.

2543069925 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 2543069925 - 2¹² = 2543065829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543069929) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 34809 + ... + 79358.

Almost surely, 2^2543069925 is an apocalyptic number.

2543069925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2543069925 is an abundant number, since it is smaller than the sum of its proper divisors (2595860091).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543069925 is a wasteful number, since it uses less digits than its factorization.

2543069925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114200 (or 114186 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 2543069925 is about 50428.8600406553. The cubic root of 2543069925 is about 1364.9584578590.

The spelling of 2543069925 in words is "two billion, five hundred forty-three million, sixty-nine thousand, nine hundred twenty-five".