255032121 has 4 divisors (see below), whose sum is σ = 340042832. Its totient is φ = 170021412.

The previous prime is 255032101. The next prime is 255032123. The reversal of 255032121 is 121230552.

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 not a de Polignac number, because 255032121 - 2¹⁴ = 255015737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255032123) 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, 42505351 + ... + 42505356.

It is an arithmetic number, because the mean of its divisors is an integer number (85010708).

Almost surely, 2^255032121 is an apocalyptic number.

It is an amenable number.

255032121 is a deficient number, since it is larger than the sum of its proper divisors (85010711).

255032121 is an equidigital number, since it uses as much as digits as its factorization.

255032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85010710.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 255032121 is about 15969.7251385238. The cubic root of 255032121 is about 634.1591955282.

Adding to 255032121 its reverse (121230552), we get a palindrome (376262673).

The spelling of 255032121 in words is "two hundred fifty-five million, thirty-two thousand, one hundred twenty-one".