2536730897 has 4 divisors (see below), whose sum is σ = 2536954176. Its totient is φ = 2536507620.

The previous prime is 2536730839. The next prime is 2536730941. The reversal of 2536730897 is 7980376352.

It is a happy number.

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 2536730897 - 2²² = 2532536593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2536730827) 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, 93629 + ... + 117642.

It is an arithmetic number, because the mean of its divisors is an integer number (634238544).

Almost surely, 2^2536730897 is an apocalyptic number.

It is an amenable number.

2536730897 is a deficient number, since it is larger than the sum of its proper divisors (223279).

2536730897 is a wasteful number, since it uses less digits than its factorization.

2536730897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223278.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The square root of 2536730897 is about 50365.9696322825. The cubic root of 2536730897 is about 1363.8233849762.

The spelling of 2536730897 in words is "two billion, five hundred thirty-six million, seven hundred thirty thousand, eight hundred ninety-seven".