2742624425 has 6 divisors (see below), whose sum is σ = 3400854318. Its totient is φ = 2194099520.

The previous prime is 2742624421. The next prime is 2742624473. The reversal of 2742624425 is 5244262472.

It can be written as a sum of positive squares in 3 ways, for example, as 194797849 + 2547826576 = 13957^2 + 50476^2 .

It is not a de Polignac number, because 2742624425 - 2² = 2742624421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2742624421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54852464 + ... + 54852513.

It is an arithmetic number, because the mean of its divisors is an integer number (566809053).

Almost surely, 2^2742624425 is an apocalyptic number.

2742624425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2742624425 is a deficient number, since it is larger than the sum of its proper divisors (658229893).

2742624425 is a wasteful number, since it uses less digits than its factorization.

2742624425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109704987 (or 109704982 counting only the distinct ones).

The product of its digits is 215040, while the sum is 38.

The square root of 2742624425 is about 52370.0718445182. The cubic root of 2742624425 is about 1399.7660195708.

Adding to 2742624425 its reverse (5244262472), we get a palindrome (7986886897).

The spelling of 2742624425 in words is "two billion, seven hundred forty-two million, six hundred twenty-four thousand, four hundred twenty-five".