205260451 has 8 divisors (see below), whose sum is σ = 226988784. Its totient is φ = 184043520.

The previous prime is 205260443. The next prime is 205260479. The reversal of 205260451 is 154062502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205260451 - 2³ = 205260443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205260851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127006 + ... + 128611.

It is an arithmetic number, because the mean of its divisors is an integer number (28373598).

Almost surely, 2^205260451 is an apocalyptic number.

205260451 is a deficient number, since it is larger than the sum of its proper divisors (21728333).

205260451 is a wasteful number, since it uses less digits than its factorization.

205260451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255701.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 205260451 is about 14326.9135196664. The cubic root of 205260451 is about 589.8864580897.

The spelling of 205260451 in words is "two hundred five million, two hundred sixty thousand, four hundred fifty-one".