2523653406 has 48 divisors (see below), whose sum is σ = 5579552160. Its totient is φ = 824091840.

The previous prime is 2523653401. The next prime is 2523653453. The reversal of 2523653406 is 6043563252.

2523653406 is a `hidden beast` number, since 252 + 3 + 65 + 340 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523653401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 789271 + ... + 792461.

It is an arithmetic number, because the mean of its divisors is an integer number (116240670).

Almost surely, 2^2523653406 is an apocalyptic number.

2523653406 is an abundant number, since it is smaller than the sum of its proper divisors (3055898754).

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

2523653406 is a wasteful number, since it uses less digits than its factorization.

2523653406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081 (or 4078 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 2523653406 is about 50235.9772075751. The cubic root of 2523653406 is about 1361.4757276305.

The spelling of 2523653406 in words is "two billion, five hundred twenty-three million, six hundred fifty-three thousand, four hundred six".