2540495 has 8 divisors (see below), whose sum is σ = 3078816. Its totient is φ = 2012256.

The previous prime is 2540479. The next prime is 2540513. The reversal of 2540495 is 5940452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2540495 - 2⁴ = 2540479 is a prime.

It is a super-2 number, since 2×2540495² = 12908229690050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1952 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (384852).

2^2540495 is an apocalyptic number.

2540495 is a deficient number, since it is larger than the sum of its proper divisors (538321).

2540495 is a wasteful number, since it uses less digits than its factorization.

2540495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2540495 is about 1593.8930327974. The cubic root of 2540495 is about 136.4497616873.

The spelling of 2540495 in words is "two million, five hundred forty thousand, four hundred ninety-five".