255615214 has 4 divisors (see below), whose sum is σ = 383422824. Its totient is φ = 127807606.

The previous prime is 255615211. The next prime is 255615221. The reversal of 255615214 is 412516552.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255615211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63903802 + ... + 63903805.

It is an arithmetic number, because the mean of its divisors is an integer number (95855706).

Almost surely, 2^255615214 is an apocalyptic number.

255615214 is a deficient number, since it is larger than the sum of its proper divisors (127807610).

255615214 is a wasteful number, since it uses less digits than its factorization.

255615214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127807609.

The product of its digits is 12000, while the sum is 31.

The square root of 255615214 is about 15987.9709156603. The cubic root of 255615214 is about 634.6421312107.

The spelling of 255615214 in words is "two hundred fifty-five million, six hundred fifteen thousand, two hundred fourteen".