255325591061 has 4 divisors (see below), whose sum is σ = 255329055072. Its totient is φ = 255322127052.

The previous prime is 255325591051. The next prime is 255325591063. The reversal of 255325591061 is 160195523552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255325591061 - 2¹⁴ = 255325574677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255325591063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618985 + ... + 1769678.

It is an arithmetic number, because the mean of its divisors is an integer number (63832263768).

Almost surely, 2^255325591061 is an apocalyptic number.

It is an amenable number.

255325591061 is a deficient number, since it is larger than the sum of its proper divisors (3464011).

255325591061 is an equidigital number, since it uses as much as digits as its factorization.

255325591061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464010.

The product of its (nonzero) digits is 405000, while the sum is 44.

The spelling of 255325591061 in words is "two hundred fifty-five billion, three hundred twenty-five million, five hundred ninety-one thousand, sixty-one".