2501145 has 32 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 1313280.

The previous prime is 2501143. The next prime is 2501171. The reversal of 2501145 is 5411052.

It is not a de Polignac number, because 2501145 - 2¹ = 2501143 is a prime.

It is a super-2 number, since 2×2501145² = 12511452622050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13000 + ... + 13190.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2^2501145 is an apocalyptic number.

It is an amenable number.

2501145 is a deficient number, since it is larger than the sum of its proper divisors (2014695).

2501145 is a wasteful number, since it uses less digits than its factorization.

2501145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2501145 is about 1581.5008694275. The cubic root of 2501145 is about 135.7415977218.

Adding to 2501145 its reverse (5411052), we get a palindrome (7912197).

The spelling of 2501145 in words is "two million, five hundred one thousand, one hundred forty-five".