2512739 has 2 divisors, whose sum is σ = 2512740. Its totient is φ = 2512738.

The previous prime is 2512723. The next prime is 2512747. The reversal of 2512739 is 9372152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2512739 - 2⁴ = 2512723 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2512709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256369 + 1256370.

It is an arithmetic number, because the mean of its divisors is an integer number (1256370).

2^2512739 is an apocalyptic number.

2512739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512739 is an equidigital number, since it uses as much as digits as its factorization.

2512739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 29.

The square root of 2512739 is about 1585.1621368176. The cubic root of 2512739 is about 135.9510168177.

The spelling of 2512739 in words is "two million, five hundred twelve thousand, seven hundred thirty-nine".