255057407 has 8 divisors (see below), whose sum is σ = 287839440. Its totient is φ = 223874560.

The previous prime is 255057371. The next prime is 255057437. The reversal of 255057407 is 704750552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255057407 - 2¹⁶ = 254991871 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 (255057437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399458 + ... + 400095.

It is an arithmetic number, because the mean of its divisors is an integer number (35979930).

Almost surely, 2^255057407 is an apocalyptic number.

255057407 is a deficient number, since it is larger than the sum of its proper divisors (32782033).

255057407 is a wasteful number, since it uses less digits than its factorization.

255057407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799593.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 255057407 is about 15970.5168044118. The cubic root of 255057407 is about 634.1801534366.

The spelling of 255057407 in words is "two hundred fifty-five million, fifty-seven thousand, four hundred seven".