2509542316 has 48 divisors (see below), whose sum is σ = 4616291680. Its totient is φ = 1192527360.

The previous prime is 2509542313. The next prime is 2509542317. The reversal of 2509542316 is 6132459052.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (2509542313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176571 + ... + 1178701.

Almost surely, 2^2509542316 is an apocalyptic number.

It is an amenable number.

2509542316 is a deficient number, since it is larger than the sum of its proper divisors (2106749364).

2509542316 is a wasteful number, since it uses less digits than its factorization.

2509542316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 2509542316 is about 50095.3322775685. The cubic root of 2509542316 is about 1358.9334046462.

The spelling of 2509542316 in words is "two billion, five hundred nine million, five hundred forty-two thousand, three hundred sixteen".