2497601 has 4 divisors (see below), whose sum is σ = 2512212. Its totient is φ = 2482992.

The previous prime is 2497591. The next prime is 2497603. The reversal of 2497601 is 1067942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1067942 = 2 ⋅533971.

It can be written as a sum of positive squares in 2 ways, for example, as 1825201 + 672400 = 1351^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 2497601 - 2¹⁰ = 2496577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2497603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7046 + ... + 7391.

It is an arithmetic number, because the mean of its divisors is an integer number (628053).

2^2497601 is an apocalyptic number.

It is an amenable number.

2497601 is a deficient number, since it is larger than the sum of its proper divisors (14611).

2497601 is a wasteful number, since it uses less digits than its factorization.

2497601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14610.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2497601 is about 1580.3800175907. The cubic root of 2497601 is about 135.6774543504.

The spelling of 2497601 in words is "two million, four hundred ninety-seven thousand, six hundred one".