5310981 has 16 divisors (see below), whose sum is σ = 8473920. Its totient is φ = 3268080.

The previous prime is 5310979. The next prime is 5310983. The reversal of 5310981 is 1890135.

It is an interprime number because it is at equal distance from previous prime (5310979) and next prime (5310983).

It is not a de Polignac number, because 5310981 - 2¹ = 5310979 is a prime.

It is a super-2 number, since 2×5310981² = 56413038364722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5310983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7215 + ... + 7916.

It is an arithmetic number, because the mean of its divisors is an integer number (529620).

Almost surely, 2^5310981 is an apocalyptic number.

It is an amenable number.

5310981 is a deficient number, since it is larger than the sum of its proper divisors (3162939).

5310981 is a wasteful number, since it uses less digits than its factorization.

5310981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15153 (or 15147 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 5310981 is about 2304.5565733998. The cubic root of 5310981 is about 174.4716691417.

The spelling of 5310981 in words is "five million, three hundred ten thousand, nine hundred eighty-one".