2506253437 has 2 divisors, whose sum is σ = 2506253438. Its totient is φ = 2506253436.

The previous prime is 2506253429. The next prime is 2506253467. The reversal of 2506253437 is 7343526052.

2506253437 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., 2296901476 + 209351961 = 47926^2 + 14469^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506253437 - 2³ = 2506253429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2506253396 and 2506253405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2506253467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253126718 + 1253126719.

It is an arithmetic number, because the mean of its divisors is an integer number (1253126719).

Almost surely, 2^2506253437 is an apocalyptic number.

It is an amenable number.

2506253437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506253437 is an equidigital number, since it uses as much as digits as its factorization.

2506253437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 37.

The square root of 2506253437 is about 50062.4953133581. The cubic root of 2506253437 is about 1358.3394953673.

Adding to 2506253437 its reverse (7343526052), we get a palindrome (9849779489).

The spelling of 2506253437 in words is "two billion, five hundred six million, two hundred fifty-three thousand, four hundred thirty-seven".