7532981 has 2 divisors, whose sum is σ = 7532982. Its totient is φ = 7532980.

The previous prime is 7532977. The next prime is 7532999. The reversal of 7532981 is 1892357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4036081 + 3496900 = 2009^2 + 1870^2 .

It is an emirp because it is prime and its reverse (1892357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7532981 - 2² = 7532977 is a prime.

It is a super-2 number, since 2×7532981² = 113491605492722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7532381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3766490 + 3766491.

It is an arithmetic number, because the mean of its divisors is an integer number (3766491).

Almost surely, 2^7532981 is an apocalyptic number.

It is an amenable number.

7532981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7532981 is an equidigital number, since it uses as much as digits as its factorization.

7532981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 7532981 is about 2744.6276614506. The cubic root of 7532981 is about 196.0298875012.

The spelling of 7532981 in words is "seven million, five hundred thirty-two thousand, nine hundred eighty-one".