2512745 has 4 divisors (see below), whose sum is σ = 3015300. Its totient is φ = 2010192.

The previous prime is 2512739. The next prime is 2512747. The reversal of 2512745 is 5472152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 619369 + 1893376 = 787^2 + 1376^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512745 - 2¹⁰ = 2511721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2512747) 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, 251270 + ... + 251279.

It is an arithmetic number, because the mean of its divisors is an integer number (753825).

2^2512745 is an apocalyptic number.

It is an amenable number.

2512745 is a deficient number, since it is larger than the sum of its proper divisors (502555).

2512745 is an equidigital number, since it uses as much as digits as its factorization.

2512745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502554.

The product of its digits is 2800, while the sum is 26.

The square root of 2512745 is about 1585.1640293673. The cubic root of 2512745 is about 135.9511250271.

Adding to 2512745 its reverse (5472152), we get a palindrome (7984897).

The spelling of 2512745 in words is "two million, five hundred twelve thousand, seven hundred forty-five".