2500406459 has 2 divisors, whose sum is σ = 2500406460. Its totient is φ = 2500406458.

The previous prime is 2500406449. The next prime is 2500406497. The reversal of 2500406459 is 9546040052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2500406459 - 2¹² = 2500402363 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500406449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250203229 + 1250203230.

It is an arithmetic number, because the mean of its divisors is an integer number (1250203230).

Almost surely, 2^2500406459 is an apocalyptic number.

2500406459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500406459 is an equidigital number, since it uses as much as digits as its factorization.

2500406459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2500406459 is about 50004.0644248045. The cubic root of 2500406459 is about 1357.2823576096.

The spelling of 2500406459 in words is "two billion, five hundred million, four hundred six thousand, four hundred fifty-nine".