2534145309 has 12 divisors (see below), whose sum is σ = 3786654300. Its totient is φ = 1631173824.

The previous prime is 2534145283. The next prime is 2534145319. The reversal of 2534145309 is 9035414352.

2534145309 is a `hidden beast` number, since 2 + 5 + 341 + 4 + 5 + 309 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 875864025 + 1658281284 = 29595^2 + 40722^2 .

It is not a de Polignac number, because 2534145309 - 2¹⁵ = 2534112541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2534145319) 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, 4854424 + ... + 4854945.

It is an arithmetic number, because the mean of its divisors is an integer number (315554525).

Almost surely, 2^2534145309 is an apocalyptic number.

2534145309 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2534145309 is a deficient number, since it is larger than the sum of its proper divisors (1252508991).

2534145309 is a wasteful number, since it uses less digits than its factorization.

2534145309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9709404 (or 9709401 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2534145309 is about 50340.2950825678. The cubic root of 2534145309 is about 1363.3598639765.

The spelling of 2534145309 in words is "two billion, five hundred thirty-four million, one hundred forty-five thousand, three hundred nine".