255742525 has 6 divisors (see below), whose sum is σ = 317120762. Its totient is φ = 204594000.

The previous prime is 255742507. The next prime is 255742541. The reversal of 255742525 is 525247552.

It can be written as a sum of positive squares in 3 ways, for example, as 3663396 + 252079129 = 1914^2 + 15877^2 .

It is not a de Polignac number, because 255742525 - 2⁵ = 255742493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5114826 + ... + 5114875.

Almost surely, 2^255742525 is an apocalyptic number.

255742525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255742525 is a deficient number, since it is larger than the sum of its proper divisors (61378237).

255742525 is a wasteful number, since it uses less digits than its factorization.

255742525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229711 (or 10229706 counting only the distinct ones).

The product of its digits is 140000, while the sum is 37.

The square root of 255742525 is about 15991.9518821187. The cubic root of 255742525 is about 634.7474764195.

The spelling of 255742525 in words is "two hundred fifty-five million, seven hundred forty-two thousand, five hundred twenty-five".