2497501 has 4 divisors (see below), whose sum is σ = 2606112. Its totient is φ = 2388892.

The previous prime is 2497499. The next prime is 2497511. The reversal of 2497501 is 1057942.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1057942 = 2 ⋅528971.

It is a cyclic number.

It is not a de Polignac number, because 2497501 - 2¹ = 2497499 is a prime.

It is a super-2 number, since 2×2497501² = 12475022490002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2497501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54271 + ... + 54316.

It is an arithmetic number, because the mean of its divisors is an integer number (651528).

2^2497501 is an apocalyptic number.

2497501 is the 1000-th centered pentagonal number.

It is an amenable number.

2497501 is a deficient number, since it is larger than the sum of its proper divisors (108611).

2497501 is a wasteful number, since it uses less digits than its factorization.

2497501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108610.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2497501 is about 1580.3483793139. The cubic root of 2497501 is about 135.6756435558.

It can be divided in two parts, 249 and 7501, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 2497501 in words is "two million, four hundred ninety-seven thousand, five hundred one".