2545147 has 8 divisors (see below), whose sum is σ = 2788272. Its totient is φ = 2304000.

The previous prime is 2545141. The next prime is 2545159. The reversal of 2545147 is 7415452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2545147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4123 + ... + 4699.

It is an arithmetic number, because the mean of its divisors is an integer number (348534).

2^2545147 is an apocalyptic number.

2545147 is a deficient number, since it is larger than the sum of its proper divisors (243125).

2545147 is a wasteful number, since it uses less digits than its factorization.

2545147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its digits is 5600, while the sum is 28.

The square root of 2545147 is about 1595.3516853660. The cubic root of 2545147 is about 136.5329970722.

The spelling of 2545147 in words is "two million, five hundred forty-five thousand, one hundred forty-seven".