258453425 has 6 divisors (see below), whose sum is σ = 320482278. Its totient is φ = 206762720.

The previous prime is 258453421. The next prime is 258453427. The reversal of 258453425 is 524354852.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12967201 + 245486224 = 3601^2 + 15668^2 .

It is not a de Polignac number, because 258453425 - 2² = 258453421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (258453421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5169044 + ... + 5169093.

It is an arithmetic number, because the mean of its divisors is an integer number (53413713).

Almost surely, 2^258453425 is an apocalyptic number.

258453425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

258453425 is a deficient number, since it is larger than the sum of its proper divisors (62028853).

258453425 is a wasteful number, since it uses less digits than its factorization.

258453425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338147 (or 10338142 counting only the distinct ones).

The product of its digits is 192000, while the sum is 38.

The square root of 258453425 is about 16076.4867119654. The cubic root of 258453425 is about 636.9823967231.

The spelling of 258453425 in words is "two hundred fifty-eight million, four hundred fifty-three thousand, four hundred twenty-five".