5261651 has 4 divisors (see below), whose sum is σ = 5538600. Its totient is φ = 4984704.

The previous prime is 5261647. The next prime is 5261671. The reversal of 5261651 is 1561625.

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

It is a cyclic number.

It is not a de Polignac number, because 5261651 - 2² = 5261647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5261651.

It is not an unprimeable number, because it can be changed into a prime (5261611) 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, 138446 + ... + 138483.

It is an arithmetic number, because the mean of its divisors is an integer number (1384650).

Almost surely, 2^5261651 is an apocalyptic number.

5261651 is a deficient number, since it is larger than the sum of its proper divisors (276949).

5261651 is a wasteful number, since it uses less digits than its factorization.

5261651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276948.

The product of its digits is 1800, while the sum is 26.

The square root of 5261651 is about 2293.8288951009. The cubic root of 5261651 is about 173.9298060990.

Subtracting from 5261651 its sum of digits (26), we obtain a palindrome (5261625).

The spelling of 5261651 in words is "five million, two hundred sixty-one thousand, six hundred fifty-one".