2252465609 has 4 divisors (see below), whose sum is σ = 2384963604. Its totient is φ = 2119967616.

The previous prime is 2252465587. The next prime is 2252465629. The reversal of 2252465609 is 9065642522.

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 625150009 + 1627315600 = 25003^2 + 40340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252465609 - 2⁸ = 2252465353 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 (2252465629) 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, 66248972 + ... + 66249005.

It is an arithmetic number, because the mean of its divisors is an integer number (596240901).

Almost surely, 2^2252465609 is an apocalyptic number.

It is an amenable number.

2252465609 is a deficient number, since it is larger than the sum of its proper divisors (132497995).

2252465609 is a wasteful number, since it uses less digits than its factorization.

2252465609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132497994.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 2252465609 is about 47460.1475872126. The cubic root of 2252465609 is about 1310.8491685634.

The spelling of 2252465609 in words is "two billion, two hundred fifty-two million, four hundred sixty-five thousand, six hundred nine".