5261945 has 8 divisors (see below), whose sum is σ = 6800136. Its totient is φ = 3885696.

The previous prime is 5261941. The next prime is 5261957. The reversal of 5261945 is 5491625.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4096 + 5257849 = 64^2 + 2293^2 .

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 5261945 - 2² = 5261941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5261941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40412 + ... + 40541.

It is an arithmetic number, because the mean of its divisors is an integer number (850017).

Almost surely, 2^5261945 is an apocalyptic number.

It is an amenable number.

5261945 is a deficient number, since it is larger than the sum of its proper divisors (1538191).

5261945 is a wasteful number, since it uses less digits than its factorization.

5261945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80971.

The product of its digits is 10800, while the sum is 32.

The square root of 5261945 is about 2293.8929791950. The cubic root of 5261945 is about 173.9330455391.

The spelling of 5261945 in words is "five million, two hundred sixty-one thousand, nine hundred forty-five".