2506535297 has 4 divisors (see below), whose sum is σ = 2864611776. Its totient is φ = 2148458820.

The previous prime is 2506535293. The next prime is 2506535299. The reversal of 2506535297 is 7925356052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2506535297 - 2² = 2506535293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2506535293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179038229 + ... + 179038242.

It is an arithmetic number, because the mean of its divisors is an integer number (716152944).

Almost surely, 2^2506535297 is an apocalyptic number.

It is an amenable number.

2506535297 is a deficient number, since it is larger than the sum of its proper divisors (358076479).

2506535297 is an equidigital number, since it uses as much as digits as its factorization.

2506535297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358076478.

The product of its (nonzero) digits is 567000, while the sum is 44.

The square root of 2506535297 is about 50065.3103156267. The cubic root of 2506535297 is about 1358.3904142957.

The spelling of 2506535297 in words is "two billion, five hundred six million, five hundred thirty-five thousand, two hundred ninety-seven".