2497455 has 48 divisors (see below), whose sum is σ = 4792320. Its totient is φ = 1197504.

The previous prime is 2497447. The next prime is 2497457. The reversal of 2497455 is 5547942.

It is not a de Polignac number, because 2497455 - 2³ = 2497447 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

Its product of digits (50400) is a multiple of the sum of its prime factors (180).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497457) 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 47 ways as a sum of consecutive naturals, for example, 19602 + ... + 19728.

It is an arithmetic number, because the mean of its divisors is an integer number (99840).

2^2497455 is an apocalyptic number.

2497455 is a deficient number, since it is larger than the sum of its proper divisors (2294865).

2497455 is a wasteful number, since it uses less digits than its factorization.

2497455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 177 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2497455 is about 1580.3338254938. Note that the first 3 decimals coincide. The cubic root of 2497455 is about 135.6748105741.

It can be divided in two parts, 24 and 97455, that added together give a palindrome (97479).

The spelling of 2497455 in words is "two million, four hundred ninety-seven thousand, four hundred fifty-five".