2625242266 has 4 divisors (see below), whose sum is σ = 3937863402. Its totient is φ = 1312621132.

The previous prime is 2625242261. The next prime is 2625242309. The reversal of 2625242266 is 6622425262.

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

It can be written as a sum of positive squares in only one way, i.e., 1415941641 + 1209300625 = 37629^2 + 34775^2 .

It is not an unprimeable number, because it can be changed into a prime (2625242261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656310565 + ... + 656310568.

Almost surely, 2^2625242266 is an apocalyptic number.

2625242266 is a deficient number, since it is larger than the sum of its proper divisors (1312621136).

2625242266 is a wasteful number, since it uses less digits than its factorization.

2625242266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312621135.

The product of its digits is 138240, while the sum is 37.

The square root of 2625242266 is about 51237.1180493205. The cubic root of 2625242266 is about 1379.5045245692.

The spelling of 2625242266 in words is "two billion, six hundred twenty-five million, two hundred forty-two thousand, two hundred sixty-six".