7532381 has 2 divisors, whose sum is σ = 7532382. Its totient is φ = 7532380.

The previous prime is 7532351. The next prime is 7532383. The reversal of 7532381 is 1832357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3865156 + 3667225 = 1966^2 + 1915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7532381 is a prime.

It is a super-2 number, since 2×7532381² = 113473527058322, which contains 22 as substring.

Together with 7532383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7532383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3766190 + 3766191.

It is an arithmetic number, because the mean of its divisors is an integer number (3766191).

Almost surely, 2^7532381 is an apocalyptic number.

It is an amenable number.

7532381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7532381 is an equidigital number, since it uses as much as digits as its factorization.

7532381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 7532381 is about 2744.5183548302. The cubic root of 7532381 is about 196.0246827863.

The spelling of 7532381 in words is "seven million, five hundred thirty-two thousand, three hundred eighty-one".