2538779025 has 24 divisors (see below), whose sum is σ = 4286761344. Its totient is φ = 1325204800.

The previous prime is 2538779011. The next prime is 2538779041. The reversal of 2538779025 is 5209778352.

It is a happy number.

It is not a de Polignac number, because 2538779025 - 2⁶ = 2538778961 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 356586 + ... + 363635.

It is an arithmetic number, because the mean of its divisors is an integer number (178615056).

Almost surely, 2^2538779025 is an apocalyptic number.

2538779025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2538779025 is a deficient number, since it is larger than the sum of its proper divisors (1747982319).

2538779025 is a wasteful number, since it uses less digits than its factorization.

2538779025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720281 (or 720276 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The square root of 2538779025 is about 50386.2979886397. The cubic root of 2538779025 is about 1364.1903314593.

The spelling of 2538779025 in words is "two billion, five hundred thirty-eight million, seven hundred seventy-nine thousand, twenty-five".