2512025509 has 4 divisors (see below), whose sum is σ = 2870886304. Its totient is φ = 2153164716.

The previous prime is 2512025479. The next prime is 2512025533. The reversal of 2512025509 is 9055202152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2512025509 - 2⁹ = 2512024997 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 (2512025599) 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 3 ways as a sum of consecutive naturals, for example, 179430387 + ... + 179430400.

It is an arithmetic number, because the mean of its divisors is an integer number (717721576).

Almost surely, 2^2512025509 is an apocalyptic number.

It is an amenable number.

2512025509 is a deficient number, since it is larger than the sum of its proper divisors (358860795).

2512025509 is an equidigital number, since it uses as much as digits as its factorization.

2512025509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358860794.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 2512025509 is about 50120.1108238998. The cubic root of 2512025509 is about 1359.3814785821.

The spelling of 2512025509 in words is "two billion, five hundred twelve million, twenty-five thousand, five hundred nine".