2497655 has 8 divisors (see below), whose sum is σ = 3067152. Its totient is φ = 1951488.

The previous prime is 2497637. The next prime is 2497661. The reversal of 2497655 is 5567942.

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 2497655 - 2⁶ = 2497591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5594 + ... + 6023.

It is an arithmetic number, because the mean of its divisors is an integer number (383394).

2^2497655 is an apocalyptic number.

2497655 is a deficient number, since it is larger than the sum of its proper divisors (569497).

2497655 is a wasteful number, since it uses less digits than its factorization.

2497655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665.

The product of its digits is 75600, while the sum is 38.

The square root of 2497655 is about 1580.3971019968. The cubic root of 2497655 is about 135.6784321593.

It can be divided in two parts, 24 and 97655, that added together give a palindrome (97679).

The spelling of 2497655 in words is "two million, four hundred ninety-seven thousand, six hundred fifty-five".