5242505001997 has 4 divisors (see below), whose sum is σ = 5331361019040. Its totient is φ = 5153648984956.

The previous prime is 5242505001989. The next prime is 5242505002013. The reversal of 5242505001997 is 7991005052425.

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 5242505001997 - 2³ = 5242505001989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5242505001997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5242505001977) 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, 44428008433 + ... + 44428008550.

It is an arithmetic number, because the mean of its divisors is an integer number (1332840254760).

Almost surely, 2^{5242505001997} is an apocalyptic number.

It is an amenable number.

5242505001997 is a deficient number, since it is larger than the sum of its proper divisors (88856017043).

5242505001997 is an equidigital number, since it uses as much as digits as its factorization.

5242505001997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88856017042.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 5242505001997 in words is "five trillion, two hundred forty-two billion, five hundred five million, one thousand, nine hundred ninety-seven".