255150521 has 2 divisors, whose sum is σ = 255150522. Its totient is φ = 255150520.

The previous prime is 255150481. The next prime is 255150541. The reversal of 255150521 is 125051552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241460521 + 13690000 = 15539^2 + 3700^2 .

It is a cyclic number.

It is not a de Polignac number, because 255150521 - 2⁶ = 255150457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255150541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127575260 + 127575261.

It is an arithmetic number, because the mean of its divisors is an integer number (127575261).

Almost surely, 2^255150521 is an apocalyptic number.

It is an amenable number.

255150521 is a deficient number, since it is larger than the sum of its proper divisors (1).

255150521 is an equidigital number, since it uses as much as digits as its factorization.

255150521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 255150521 is about 15973.4317227076. The cubic root of 255150521 is about 634.2573175896.

The spelling of 255150521 in words is "two hundred fifty-five million, one hundred fifty thousand, five hundred twenty-one".