255420525 has 24 divisors (see below), whose sum is σ = 425535264. Its totient is φ = 135179200.

The previous prime is 255420521. The next prime is 255420527. The reversal of 255420525 is 525024552.

It is not a de Polignac number, because 255420525 - 2² = 255420521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255420492 and 255420501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255420521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3174 + ... + 22823.

It is an arithmetic number, because the mean of its divisors is an integer number (17730636).

Almost surely, 2^255420525 is an apocalyptic number.

255420525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255420525 is a deficient number, since it is larger than the sum of its proper divisors (170114739).

255420525 is a wasteful number, since it uses less digits than its factorization.

255420525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26141 (or 26136 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 255420525 is about 15981.8811470990. The cubic root of 255420525 is about 634.4809654981.

The spelling of 255420525 in words is "two hundred fifty-five million, four hundred twenty thousand, five hundred twenty-five".