5262991 has 8 divisors (see below), whose sum is σ = 5461664. Its totient is φ = 5067360.

The previous prime is 5262931. The next prime is 5262997. The reversal of 5262991 is 1992625.

5262991 = 359² + 360² + ... + 395².

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

It is a cyclic number.

It is not a de Polignac number, because 5262991 - 2⁷ = 5262863 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5262997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3121 + ... + 4501.

It is an arithmetic number, because the mean of its divisors is an integer number (682708).

Almost surely, 2^5262991 is an apocalyptic number.

5262991 is a deficient number, since it is larger than the sum of its proper divisors (198673).

5262991 is a wasteful number, since it uses less digits than its factorization.

5262991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521.

The product of its digits is 9720, while the sum is 34.

The square root of 5262991 is about 2294.1209645527. The cubic root of 5262991 is about 173.9445699160.

The spelling of 5262991 in words is "five million, two hundred sixty-two thousand, nine hundred ninety-one".