2506903393 has 2 divisors, whose sum is σ = 2506903394. Its totient is φ = 2506903392.

The previous prime is 2506903387. The next prime is 2506903409. The reversal of 2506903393 is 3933096052.

2506903393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1610978769 + 895924624 = 40137^2 + 29932^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506903393 - 2⁵ = 2506903361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2506906393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253451696 + 1253451697.

It is an arithmetic number, because the mean of its divisors is an integer number (1253451697).

Almost surely, 2^2506903393 is an apocalyptic number.

It is an amenable number.

2506903393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506903393 is an equidigital number, since it uses as much as digits as its factorization.

2506903393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 40.

The square root of 2506903393 is about 50068.9863388505. The cubic root of 2506903393 is about 1358.4569062915.

The spelling of 2506903393 in words is "two billion, five hundred six million, nine hundred three thousand, three hundred ninety-three".