2945653 has 4 divisors (see below), whose sum is σ = 2953728. Its totient is φ = 2937580.

The previous prime is 2945647. The next prime is 2945659. The reversal of 2945653 is 3565492.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2945647) and next prime (2945659).

It is a cyclic number.

It is not a de Polignac number, because 2945653 - 2¹³ = 2937461 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 (2945659) 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 3 ways as a sum of consecutive naturals, for example, 3463 + ... + 4228.

It is an arithmetic number, because the mean of its divisors is an integer number (738432).

2^2945653 is an apocalyptic number.

It is an amenable number.

2945653 is a deficient number, since it is larger than the sum of its proper divisors (8075).

2945653 is an equidigital number, since it uses as much as digits as its factorization.

2945653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8074.

The product of its digits is 32400, while the sum is 34.

The square root of 2945653 is about 1716.2904765802. The cubic root of 2945653 is about 143.3487339981.

The spelling of 2945653 in words is "two million, nine hundred forty-five thousand, six hundred fifty-three".