2540315207 has 8 divisors (see below), whose sum is σ = 2552616000. Its totient is φ = 2528029440.

The previous prime is 2540315191. The next prime is 2540315209. The reversal of 2540315207 is 7025130452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2540315207 - 2⁴ = 2540315191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2540315207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540315209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479123 + ... + 484395.

It is an arithmetic number, because the mean of its divisors is an integer number (319077000).

Almost surely, 2^2540315207 is an apocalyptic number.

2540315207 is a deficient number, since it is larger than the sum of its proper divisors (12300793).

2540315207 is a wasteful number, since it uses less digits than its factorization.

2540315207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2540315207 is about 50401.5397284646. The cubic root of 2540315207 is about 1364.4654272266.

Adding to 2540315207 its reverse (7025130452), we get a palindrome (9565445659).

The spelling of 2540315207 in words is "two billion, five hundred forty million, three hundred fifteen thousand, two hundred seven".