255415025 has 6 divisors (see below), whose sum is σ = 316714662. Its totient is φ = 204332000.

The previous prime is 255414949. The next prime is 255415049. The reversal of 255415025 is 520514552.

It can be written as a sum of positive squares in 3 ways, for example, as 9928801 + 245486224 = 3151^2 + 15668^2 .

It is not a de Polignac number, because 255415025 - 2⁸ = 255414769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5108276 + ... + 5108325.

It is an arithmetic number, because the mean of its divisors is an integer number (52785777).

Almost surely, 2^255415025 is an apocalyptic number.

255415025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255415025 is a deficient number, since it is larger than the sum of its proper divisors (61299637).

255415025 is a wasteful number, since it uses less digits than its factorization.

255415025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216611 (or 10216606 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 255415025 is about 15981.7090763160. The cubic root of 255415025 is about 634.4764113478.

Adding to 255415025 its reverse (520514552), we get a palindrome (775929577).

The spelling of 255415025 in words is "two hundred fifty-five million, four hundred fifteen thousand, twenty-five".