2507242909 has 12 divisors (see below), whose sum is σ = 2673611424. Its totient is φ = 2350714304.

The previous prime is 2507242901. The next prime is 2507242931. The reversal of 2507242909 is 9092427052.

It is not a de Polignac number, because 2507242909 - 2³ = 2507242901 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 (2507242901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59514 + ... + 92500.

It is an arithmetic number, because the mean of its divisors is an integer number (222800952).

Almost surely, 2^2507242909 is an apocalyptic number.

It is an amenable number.

2507242909 is a deficient number, since it is larger than the sum of its proper divisors (166368515).

2507242909 is a wasteful number, since it uses less digits than its factorization.

2507242909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33284 (or 33267 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2507242909 is about 50072.3767061241. The cubic root of 2507242909 is about 1358.5182298932.

The spelling of 2507242909 in words is "two billion, five hundred seven million, two hundred forty-two thousand, nine hundred nine".