205425351 has 12 divisors (see below), whose sum is σ = 309626928. Its totient is φ = 130995744.

The previous prime is 205425349. The next prime is 205425373. The reversal of 205425351 is 153524502.

It is a happy number.

205425351 is a `hidden beast` number, since 20 + 542 + 53 + 51 = 666.

It is not a de Polignac number, because 205425351 - 2¹ = 205425349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205425301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495990 + ... + 496403.

It is an arithmetic number, because the mean of its divisors is an integer number (25802244).

Almost surely, 2^205425351 is an apocalyptic number.

205425351 is a deficient number, since it is larger than the sum of its proper divisors (104201577).

205425351 is a wasteful number, since it uses less digits than its factorization.

205425351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992422 (or 992419 counting only the distinct ones).

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

The square root of 205425351 is about 14332.6672674698. The cubic root of 205425351 is about 590.0443814168.

Adding to 205425351 its reverse (153524502), we get a palindrome (358949853).

The spelling of 205425351 in words is "two hundred five million, four hundred twenty-five thousand, three hundred fifty-one".