5251761 has 12 divisors (see below), whose sum is σ = 7631988. Its totient is φ = 3479904.

The previous prime is 5251711. The next prime is 5251769. The reversal of 5251761 is 1671525.

It can be written as a sum of positive squares in 2 ways, for example, as 5035536 + 216225 = 2244^2 + 465^2 .

It is not a de Polignac number, because 5251761 - 2¹³ = 5243569 is a prime.

It is a super-2 number, since 2×5251761² = 55161987202242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5251769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130 + ... + 3243.

It is an arithmetic number, because the mean of its divisors is an integer number (635999).

Almost surely, 2^5251761 is an apocalyptic number.

It is an amenable number.

5251761 is a deficient number, since it is larger than the sum of its proper divisors (2380227).

5251761 is a wasteful number, since it uses less digits than its factorization.

5251761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552 (or 3549 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 5251761 is about 2291.6720969633. The cubic root of 5251761 is about 173.8207627162.

The spelling of 5251761 in words is "five million, two hundred fifty-one thousand, seven hundred sixty-one".