2501191 has 12 divisors (see below), whose sum is σ = 3143056. Its totient is φ = 1948320.

The previous prime is 2501189. The next prime is 2501197. The reversal of 2501191 is 1911052.

It is not a de Polignac number, because 2501191 - 2¹ = 2501189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630 + ... + 2323.

2^2501191 is an apocalyptic number.

2501191 is a deficient number, since it is larger than the sum of its proper divisors (641865).

2501191 is a wasteful number, since it uses less digits than its factorization.

2501191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 2501191 is about 1581.5154125079. The cubic root of 2501191 is about 135.7424298840.

It can be divided in two parts, 250 and 1191, that added together give a palindrome (1441).

The spelling of 2501191 in words is "two million, five hundred one thousand, one hundred ninety-one".