75282131 has 2 divisors, whose sum is σ = 75282132. Its totient is φ = 75282130.

The previous prime is 75282127. The next prime is 75282139. The reversal of 75282131 is 13128257.

It is a weak prime.

It is an emirp because it is prime and its reverse (13128257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75282131 - 2² = 75282127 is a prime.

It is a super-2 number, since 2×75282131² = 11334798495802322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 75282094 and 75282103.

It is not a weakly prime, because it can be changed into another prime (75282139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37641065 + 37641066.

It is an arithmetic number, because the mean of its divisors is an integer number (37641066).

Almost surely, 2^75282131 is an apocalyptic number.

75282131 is a deficient number, since it is larger than the sum of its proper divisors (1).

75282131 is an equidigital number, since it uses as much as digits as its factorization.

75282131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 75282131 is about 8676.5275888457. The cubic root of 75282131 is about 422.2444676363.

The spelling of 75282131 in words is "seventy-five million, two hundred eighty-two thousand, one hundred thirty-one".