255525019 has 2 divisors, whose sum is σ = 255525020. Its totient is φ = 255525018.

The previous prime is 255524999. The next prime is 255525029. The reversal of 255525019 is 910525552.

It is a happy number.

255525019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255525019 - 2¹³ = 255516827 is a prime.

It is a super-2 number, since 2×255525019² = 130586070669900722, which contains 22 as substring.

It is equal to p_13964920 and since 255525019 and 13964920 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (255525029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127762509 + 127762510.

It is an arithmetic number, because the mean of its divisors is an integer number (127762510).

Almost surely, 2^255525019 is an apocalyptic number.

255525019 is a deficient number, since it is larger than the sum of its proper divisors (1).

255525019 is an equidigital number, since it uses as much as digits as its factorization.

255525019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 255525019 is about 15985.1499523777. The cubic root of 255525019 is about 634.5674769676.

The spelling of 255525019 in words is "two hundred fifty-five million, five hundred twenty-five thousand, nineteen".