2500245 has 24 divisors (see below), whose sum is σ = 4728672. Its totient is φ = 1212000.

The previous prime is 2500213. The next prime is 2500273. The reversal of 2500245 is 5420052.

It is not a de Polignac number, because 2500245 - 2⁵ = 2500213 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2031 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (197028).

2^2500245 is an apocalyptic number.

It is an amenable number.

2500245 is a deficient number, since it is larger than the sum of its proper divisors (2228427).

2500245 is a wasteful number, since it uses less digits than its factorization.

2500245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073 (or 5070 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2500245 is about 1581.2163039888. The cubic root of 2500245 is about 135.7253142337.

Adding to 2500245 its reverse (5420052), we get a palindrome (7920297).

The spelling of 2500245 in words is "two million, five hundred thousand, two hundred forty-five".