255501425 has 6 divisors (see below), whose sum is σ = 316821798. Its totient is φ = 204401120.

The previous prime is 255501419. The next prime is 255501427. The reversal of 255501425 is 524105552.

It can be written as a sum of positive squares in 3 ways, for example, as 5987809 + 249513616 = 2447^2 + 15796^2 .

It is not a de Polignac number, because 255501425 - 2⁴ = 255501409 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 (255501427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5110004 + ... + 5110053.

It is an arithmetic number, because the mean of its divisors is an integer number (52803633).

Almost surely, 2^255501425 is an apocalyptic number.

255501425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255501425 is a deficient number, since it is larger than the sum of its proper divisors (61320373).

255501425 is a wasteful number, since it uses less digits than its factorization.

255501425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10220067 (or 10220062 counting only the distinct ones).

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

The square root of 255501425 is about 15984.4119378850. The cubic root of 255501425 is about 634.5479453565.

Adding to 255501425 its reverse (524105552), we get a palindrome (779606977).

The spelling of 255501425 in words is "two hundred fifty-five million, five hundred one thousand, four hundred twenty-five".