5373649 has 4 divisors (see below), whose sum is σ = 5689764. Its totient is φ = 5057536.

The previous prime is 5373611. The next prime is 5373653. The reversal of 5373649 is 9463735.

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 1500625 + 3873024 = 1225^2 + 1968^2 .

It is a cyclic number.

It is not a de Polignac number, because 5373649 - 2⁷ = 5373521 is a prime.

It is a super-2 number, since 2×5373649² = 57752207150402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5373689) 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, 158032 + ... + 158065.

It is an arithmetic number, because the mean of its divisors is an integer number (1422441).

Almost surely, 2^5373649 is an apocalyptic number.

It is an amenable number.

5373649 is a deficient number, since it is larger than the sum of its proper divisors (316115).

5373649 is a wasteful number, since it uses less digits than its factorization.

5373649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316114.

The product of its digits is 68040, while the sum is 37.

The square root of 5373649 is about 2318.1132414099. The cubic root of 5373649 is about 175.1552255391.

It can be divided in two parts, 537 and 3649, that added together give a triangular number (4186 = T₉₁).

The spelling of 5373649 in words is "five million, three hundred seventy-three thousand, six hundred forty-nine".