5312761 has 4 divisors (see below), whose sum is σ = 5592400. Its totient is φ = 5033124.

The previous prime is 5312737. The next prime is 5312777. The reversal of 5312761 is 1672135.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1672135 = 5 ⋅334427.

It is a cyclic number.

It is not a de Polignac number, because 5312761 - 2¹³ = 5304569 is a prime.

It is a Duffinian number.

5312761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5312161) 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, 139791 + ... + 139828.

It is an arithmetic number, because the mean of its divisors is an integer number (1398100).

Almost surely, 2^5312761 is an apocalyptic number.

It is an amenable number.

5312761 is a deficient number, since it is larger than the sum of its proper divisors (279639).

5312761 is a wasteful number, since it uses less digits than its factorization.

5312761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279638.

The product of its digits is 1260, while the sum is 25.

The square root of 5312761 is about 2304.9427324773. The cubic root of 5312761 is about 174.4911586285.

Adding to 5312761 its reverse (1672135), we get a palindrome (6984896).

The spelling of 5312761 in words is "five million, three hundred twelve thousand, seven hundred sixty-one".