2546345 has 16 divisors (see below), whose sum is σ = 3350160. Its totient is φ = 1849344.

The previous prime is 2546339. The next prime is 2546351. The reversal of 2546345 is 5436452.

It is an interprime number because it is at equal distance from previous prime (2546339) and next prime (2546351).

It can be written as a sum of positive squares in 8 ways, for example, as 364816 + 2181529 = 604^2 + 1477^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546345 - 2⁴ = 2546329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁵ + 4⁴ + 6 + 3² + 4⁸ + 5⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1949 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (209385).

2^2546345 is an apocalyptic number.

It is an amenable number.

2546345 is a deficient number, since it is larger than the sum of its proper divisors (803815).

2546345 is a wasteful number, since it uses less digits than its factorization.

2546345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its digits is 14400, while the sum is 29.

The square root of 2546345 is about 1595.7271069954. The cubic root of 2546345 is about 136.5544157269.

The spelling of 2546345 in words is "two million, five hundred forty-six thousand, three hundred forty-five".