205481425 has 12 divisors (see below), whose sum is σ = 265875840. Its totient is φ = 157237520.

The previous prime is 205481411. The next prime is 205481453. The reversal of 205481425 is 524184502.

It is not a de Polignac number, because 205481425 - 2¹⁵ = 205448657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178105 + ... + 179254.

It is an arithmetic number, because the mean of its divisors is an integer number (22156320).

Almost surely, 2^205481425 is an apocalyptic number.

205481425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205481425 is a deficient number, since it is larger than the sum of its proper divisors (60394415).

205481425 is a wasteful number, since it uses less digits than its factorization.

205481425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357392 (or 357387 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 205481425 is about 14334.6232946667. The cubic root of 205481425 is about 590.0980637536.

The spelling of 205481425 in words is "two hundred five million, four hundred eighty-one thousand, four hundred twenty-five".