5132981 has 4 divisors (see below), whose sum is σ = 5866272. Its totient is φ = 4399692.

The previous prime is 5132957. The next prime is 5132989. The reversal of 5132981 is 1892315.

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: 1892315 = 5 ⋅378463.

It is a cyclic number.

It is not a de Polignac number, because 5132981 - 2¹⁴ = 5116597 is a prime.

It is a super-2 number, since 2×5132981² = 52694987892722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5132989) 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, 366635 + ... + 366648.

It is an arithmetic number, because the mean of its divisors is an integer number (1466568).

Almost surely, 2^5132981 is an apocalyptic number.

It is an amenable number.

5132981 is a deficient number, since it is larger than the sum of its proper divisors (733291).

5132981 is an equidigital number, since it uses as much as digits as its factorization.

5132981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733290.

The product of its digits is 2160, while the sum is 29.

The square root of 5132981 is about 2265.6083068351. The cubic root of 5132981 is about 172.5003122588.

The spelling of 5132981 in words is "five million, one hundred thirty-two thousand, nine hundred eighty-one".