2545394 has 8 divisors (see below), whose sum is σ = 3825900. Its totient is φ = 1270096.

The previous prime is 2545369. The next prime is 2545429. The reversal of 2545394 is 4935452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2544025 + 1369 = 1595^2 + 37^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2545394.

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 3 ways as a sum of consecutive naturals, for example, 332 + ... + 2280.

2^2545394 is an apocalyptic number.

2545394 is a deficient number, since it is larger than the sum of its proper divisors (1280506).

2545394 is a wasteful number, since it uses less digits than its factorization.

2545394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604.

The product of its digits is 21600, while the sum is 32.

The square root of 2545394 is about 1595.4290958861. The cubic root of 2545394 is about 136.5374136553.

The spelling of 2545394 in words is "two million, five hundred forty-five thousand, three hundred ninety-four".