2555005465 has 4 divisors (see below), whose sum is σ = 3066006564. Its totient is φ = 2044004368.

The previous prime is 2555005451. The next prime is 2555005469. The reversal of 2555005465 is 5645005552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 330185241 + 2224820224 = 18171^2 + 47168^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555005465 - 2¹¹ = 2555003417 is a prime.

It is a super-3 number, since 3×2555005465³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555005469) 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, 255500542 + ... + 255500551.

It is an arithmetic number, because the mean of its divisors is an integer number (766501641).

Almost surely, 2^2555005465 is an apocalyptic number.

It is an amenable number.

2555005465 is a deficient number, since it is larger than the sum of its proper divisors (511001099).

2555005465 is an equidigital number, since it uses as much as digits as its factorization.

2555005465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511001098.

The product of its (nonzero) digits is 150000, while the sum is 37.

The square root of 2555005465 is about 50547.0618829621. The cubic root of 2555005465 is about 1367.0905391216.

The spelling of 2555005465 in words is "two billion, five hundred fifty-five million, five thousand, four hundred sixty-five".