4132981 has 4 divisors (see below), whose sum is σ = 4191264. Its totient is φ = 4074700.

The previous prime is 4132979. The next prime is 4132987. The reversal of 4132981 is 1892314.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 4132981 - 2¹ = 4132979 is a prime.

It is a super-2 number, since 2×4132981² = 34163063892722, 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 (4132987) 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, 29035 + ... + 29176.

It is an arithmetic number, because the mean of its divisors is an integer number (1047816).

Almost surely, 2^4132981 is an apocalyptic number.

It is an amenable number.

4132981 is a deficient number, since it is larger than the sum of its proper divisors (58283).

4132981 is an equidigital number, since it uses as much as digits as its factorization.

4132981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58282.

The product of its digits is 1728, while the sum is 28.

The square root of 4132981 is about 2032.9734380950. The cubic root of 4132981 is about 160.4800815077.

The spelling of 4132981 in words is "four million, one hundred thirty-two thousand, nine hundred eighty-one".