2625782455 has 4 divisors (see below), whose sum is σ = 3150938952. Its totient is φ = 2100625960.

The previous prime is 2625782431. The next prime is 2625782459. The reversal of 2625782455 is 5542875262.

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

It is not a de Polignac number, because 2625782455 - 2²³ = 2617393847 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 (2625782459) 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, 262578241 + ... + 262578250.

It is an arithmetic number, because the mean of its divisors is an integer number (787734738).

Almost surely, 2^2625782455 is an apocalyptic number.

2625782455 is a deficient number, since it is larger than the sum of its proper divisors (525156497).

2625782455 is an equidigital number, since it uses as much as digits as its factorization.

2625782455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525156496.

The product of its digits is 1344000, while the sum is 46.

The square root of 2625782455 is about 51242.3892397691. The cubic root of 2625782455 is about 1379.5991370516.

The spelling of 2625782455 in words is "two billion, six hundred twenty-five million, seven hundred eighty-two thousand, four hundred fifty-five".