2503072409 has 2 divisors, whose sum is σ = 2503072410. Its totient is φ = 2503072408.

The previous prime is 2503072303. The next prime is 2503072433. The reversal of 2503072409 is 9042703052.

It is a happy number.

2503072409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2021401600 + 481670809 = 44960^2 + 21947^2 .

It is a cyclic number.

It is not a de Polignac number, because 2503072409 - 2¹⁶ = 2503006873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2503072709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251536204 + 1251536205.

It is an arithmetic number, because the mean of its divisors is an integer number (1251536205).

Almost surely, 2^2503072409 is an apocalyptic number.

It is an amenable number.

2503072409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2503072409 is an equidigital number, since it uses as much as digits as its factorization.

2503072409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2503072409 is about 50030.7146560990. The cubic root of 2503072409 is about 1357.7645674313.

The spelling of 2503072409 in words is "two billion, five hundred three million, seventy-two thousand, four hundred nine".