2745131 has 2 divisors, whose sum is σ = 2745132. Its totient is φ = 2745130.

The previous prime is 2745121. The next prime is 2745151. The reversal of 2745131 is 1315472.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2745131 is a prime.

It is a super-2 number, since 2×2745131² = 15071488414322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2745097 and 2745106.

It is not a weakly prime, because it can be changed into another prime (2745121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372565 + 1372566.

It is an arithmetic number, because the mean of its divisors is an integer number (1372566).

2^2745131 is an apocalyptic number.

2745131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745131 is an equidigital number, since it uses as much as digits as its factorization.

2745131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 2745131 is about 1656.8436860489. The cubic root of 2745131 is about 140.0192320518.

The spelling of 2745131 in words is "two million, seven hundred forty-five thousand, one hundred thirty-one".