5303781 has 24 divisors (see below), whose sum is σ = 9060480. Its totient is φ = 2925216.

The previous prime is 5303761. The next prime is 5303789. The reversal of 5303781 is 1873035.

It is not a de Polignac number, because 5303781 - 2¹⁸ = 5041637 is a prime.

It is a super-2 number, since 2×5303781² = 56260185791922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5303789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376 + ... + 3278.

It is an arithmetic number, because the mean of its divisors is an integer number (377520).

Almost surely, 2^5303781 is an apocalyptic number.

It is an amenable number.

5303781 is a deficient number, since it is larger than the sum of its proper divisors (3756699).

5303781 is a wasteful number, since it uses less digits than its factorization.

5303781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 5303781 is about 2302.9939209646. The cubic root of 5303781 is about 174.3927908005.

It can be divided in two parts, 5303 and 781, that added together give a square (6084 = 78²).

The spelling of 5303781 in words is "five million, three hundred three thousand, seven hundred eighty-one".