205307465 has 16 divisors (see below), whose sum is σ = 270426816. Its totient is φ = 148392000.

The previous prime is 205307461. The next prime is 205307471. The reversal of 205307465 is 564703502.

It is not a de Polignac number, because 205307465 - 2² = 205307461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205307461) 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, 2486 + ... + 20415.

It is an arithmetic number, because the mean of its divisors is an integer number (16901676).

Almost surely, 2^205307465 is an apocalyptic number.

It is an amenable number.

205307465 is a deficient number, since it is larger than the sum of its proper divisors (65119351).

205307465 is a wasteful number, since it uses less digits than its factorization.

205307465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23080.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 205307465 is about 14328.5541838666. The cubic root of 205307465 is about 589.9314916145.

The spelling of 205307465 in words is "two hundred five million, three hundred seven thousand, four hundred sixty-five".