2511245 has 8 divisors (see below), whose sum is σ = 3287520. Its totient is φ = 1826320.

The previous prime is 2511241. The next prime is 2511247. The reversal of 2511245 is 5421152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2511245 - 2² = 2511241 is a prime.

It is a super-4 number, since 4×2511245⁴ (a number of 27 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2511241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22775 + ... + 22884.

It is an arithmetic number, because the mean of its divisors is an integer number (410940).

2^2511245 is an apocalyptic number.

It is an amenable number.

2511245 is a deficient number, since it is larger than the sum of its proper divisors (776275).

2511245 is a wasteful number, since it uses less digits than its factorization.

2511245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45675.

The product of its digits is 400, while the sum is 20.

The square root of 2511245 is about 1584.6908215800. The cubic root of 2511245 is about 135.9240673299.

Adding to 2511245 its reverse (5421152), we get a palindrome (7932397).

The spelling of 2511245 in words is "two million, five hundred eleven thousand, two hundred forty-five".