2506535497 has 2 divisors, whose sum is σ = 2506535498. Its totient is φ = 2506535496.

The previous prime is 2506535491. The next prime is 2506535501. The reversal of 2506535497 is 7945356052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849946121 + 656589376 = 43011^2 + 25624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2506535497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2506535491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253267748 + 1253267749.

It is an arithmetic number, because the mean of its divisors is an integer number (1253267749).

Almost surely, 2^2506535497 is an apocalyptic number.

It is an amenable number.

2506535497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506535497 is an equidigital number, since it uses as much as digits as its factorization.

2506535497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The square root of 2506535497 is about 50065.3123130177. The cubic root of 2506535497 is about 1358.3904504250.

The spelling of 2506535497 in words is "two billion, five hundred six million, five hundred thirty-five thousand, four hundred ninety-seven".