205452315 has 16 divisors (see below), whose sum is σ = 365248800. Its totient is φ = 109574496.

The previous prime is 205452311. The next prime is 205452319. The reversal of 205452315 is 513254502.

It is a happy number.

205452315 is a `hidden beast` number, since 205 + 452 + 3 + 1 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (205452311) and next prime (205452319).

It is not a de Polignac number, because 205452315 - 2² = 205452311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (205452311) 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, 760800 + ... + 761069.

It is an arithmetic number, because the mean of its divisors is an integer number (22828050).

Almost surely, 2^205452315 is an apocalyptic number.

205452315 is a deficient number, since it is larger than the sum of its proper divisors (159796485).

205452315 is a wasteful number, since it uses less digits than its factorization.

205452315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521883 (or 1521877 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 205452315 is about 14333.6078849674. The cubic root of 205452315 is about 590.0701965698.

The spelling of 205452315 in words is "two hundred five million, four hundred fifty-two thousand, three hundred fifteen".