2610491 has 4 divisors (see below), whose sum is σ = 2811312. Its totient is φ = 2409672.

The previous prime is 2610473. The next prime is 2610497. The reversal of 2610491 is 1940162.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2610491 - 2¹⁸ = 2348347 is a prime.

It is a super-3 number, since 3×2610491³ = 53368851333247802313, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2610497) 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, 100391 + ... + 100416.

It is an arithmetic number, because the mean of its divisors is an integer number (702828).

2^2610491 is an apocalyptic number.

2610491 is a deficient number, since it is larger than the sum of its proper divisors (200821).

2610491 is a wasteful number, since it uses less digits than its factorization.

2610491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200820.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2610491 is about 1615.7013956793. The cubic root of 2610491 is about 137.6915852728.

The spelling of 2610491 in words is "two million, six hundred ten thousand, four hundred ninety-one".