5071649 has 4 divisors (see below), whose sum is σ = 5532720. Its totient is φ = 4610580.

The previous prime is 5071639. The next prime is 5071657. The reversal of 5071649 is 9461705.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 5071649 - 2¹² = 5067553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5071609) 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, 230519 + ... + 230540.

It is an arithmetic number, because the mean of its divisors is an integer number (1383180).

Almost surely, 2^5071649 is an apocalyptic number.

It is an amenable number.

5071649 is a deficient number, since it is larger than the sum of its proper divisors (461071).

5071649 is a wasteful number, since it uses less digits than its factorization.

5071649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461070.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 5071649 is about 2252.0321933756. The cubic root of 5071649 is about 171.8105110790.

The spelling of 5071649 in words is "five million, seventy-one thousand, six hundred forty-nine".