2512502749 has 4 divisors (see below), whose sum is σ = 2514462336. Its totient is φ = 2510543164.

The previous prime is 2512502731. The next prime is 2512502761. The reversal of 2512502749 is 9472052152.

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 2512502749 - 2⁷ = 2512502621 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 (2512502779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977869 + ... + 980434.

It is an arithmetic number, because the mean of its divisors is an integer number (628615584).

Almost surely, 2^2512502749 is an apocalyptic number.

It is an amenable number.

2512502749 is a deficient number, since it is larger than the sum of its proper divisors (1959587).

2512502749 is a wasteful number, since it uses less digits than its factorization.

2512502749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959586.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 2512502749 is about 50124.8715609327. The cubic root of 2512502749 is about 1359.4675592018.

The spelling of 2512502749 in words is "two billion, five hundred twelve million, five hundred two thousand, seven hundred forty-nine".