2005557925 has 12 divisors (see below), whose sum is σ = 2842162336. Its totient is φ = 1375239600.

The previous prime is 2005557923. The next prime is 2005557929. The reversal of 2005557925 is 5297555002.

It is not a de Polignac number, because 2005557925 - 2¹ = 2005557923 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 (2005557923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5729991 + ... + 5730340.

Almost surely, 2^2005557925 is an apocalyptic number.

2005557925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2005557925 is a deficient number, since it is larger than the sum of its proper divisors (836604411).

2005557925 is a wasteful number, since it uses less digits than its factorization.

2005557925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11460348 (or 11460343 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 2005557925 is about 44783.4559296176. The cubic root of 2005557925 is about 1261.0870615769.

The spelling of 2005557925 in words is "two billion, five million, five hundred fifty-seven thousand, nine hundred twenty-five".