2585400325 has 6 divisors (see below), whose sum is σ = 3205896434. Its totient is φ = 2068320240.

The previous prime is 2585400317. The next prime is 2585400331. The reversal of 2585400325 is 5230045852.

It can be written as a sum of positive squares in 3 ways, for example, as 837407844 + 1747992481 = 28938^2 + 41809^2 .

It is not a de Polignac number, because 2585400325 - 2³ = 2585400317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51707982 + ... + 51708031.

Almost surely, 2^2585400325 is an apocalyptic number.

2585400325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2585400325 is a deficient number, since it is larger than the sum of its proper divisors (620496109).

2585400325 is a wasteful number, since it uses less digits than its factorization.

2585400325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103416023 (or 103416018 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 2585400325 is about 50846.8320055439. The cubic root of 2585400325 is about 1372.4902449310.

The spelling of 2585400325 in words is "two billion, five hundred eighty-five million, four hundred thousand, three hundred twenty-five".