2497945 has 8 divisors (see below), whose sum is σ = 3015360. Its totient is φ = 1986480.

The previous prime is 2497939. The next prime is 2497951. The reversal of 2497945 is 5497942.

2497945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2497939) and next prime (2497951).

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

It is a de Polignac number, because none of the positive numbers 2^k-2497945 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2497898 and 2497907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501 + ... + 2290.

It is an arithmetic number, because the mean of its divisors is an integer number (376920).

2^2497945 is an apocalyptic number.

It is an amenable number.

2497945 is a deficient number, since it is larger than the sum of its proper divisors (517415).

2497945 is a wasteful number, since it uses less digits than its factorization.

2497945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975.

The product of its digits is 90720, while the sum is 40.

The square root of 2497945 is about 1580.4888484263. The cubic root of 2497945 is about 135.6836831144.

It can be divided in two parts, 24 and 97945, that added together give a square (97969 = 313²).

The spelling of 2497945 in words is "two million, four hundred ninety-seven thousand, nine hundred forty-five".