205525250 has 32 divisors (see below), whose sum is σ = 439710336. Its totient is φ = 70465200.

The previous prime is 205525241. The next prime is 205525253. The reversal of 205525250 is 52525502.

It is not an unprimeable number, because it can be changed into a prime (205525253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56972 + ... + 60471.

It is an arithmetic number, because the mean of its divisors is an integer number (13740948).

Almost surely, 2^205525250 is an apocalyptic number.

205525250 is an abundant number, since it is smaller than the sum of its proper divisors (234185086).

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

205525250 is a wasteful number, since it uses less digits than its factorization.

205525250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117467 (or 117457 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 205525250 is about 14336.1518546645. The cubic root of 205525250 is about 590.1400127348.

The spelling of 205525250 in words is "two hundred five million, five hundred twenty-five thousand, two hundred fifty".