5356649 has 4 divisors (see below), whose sum is σ = 5671764. Its totient is φ = 5041536.

The previous prime is 5356621. The next prime is 5356661. The reversal of 5356649 is 9466535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3396649 + 1960000 = 1843^2 + 1400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5356649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5356249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157532 + ... + 157565.

It is an arithmetic number, because the mean of its divisors is an integer number (1417941).

Almost surely, 2^5356649 is an apocalyptic number.

It is an amenable number.

5356649 is a deficient number, since it is larger than the sum of its proper divisors (315115).

5356649 is a wasteful number, since it uses less digits than its factorization.

5356649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315114.

The product of its digits is 97200, while the sum is 38.

The square root of 5356649 is about 2314.4435616364. The cubic root of 5356649 is about 174.9703242197.

The spelling of 5356649 in words is "five million, three hundred fifty-six thousand, six hundred forty-nine".