5205025401245 has 4 divisors (see below), whose sum is σ = 6246030481500. Its totient is φ = 4164020320992.

The previous prime is 5205025401239. The next prime is 5205025401259. The reversal of 5205025401245 is 5421045205025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2700333006361 + 2504692394884 = 1643269^2 + 1582622^2 .

It is a cyclic number.

It is not a de Polignac number, because 5205025401245 - 2¹² = 5205025397149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520502540120 + ... + 520502540129.

It is an arithmetic number, because the mean of its divisors is an integer number (1561507620375).

Almost surely, 2^{5205025401245} is an apocalyptic number.

It is an amenable number.

5205025401245 is a deficient number, since it is larger than the sum of its proper divisors (1041005080255).

5205025401245 is a wasteful number, since it uses less digits than its factorization.

5205025401245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041005080254.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 5205025401245 in words is "five trillion, two hundred five billion, twenty-five million, four hundred one thousand, two hundred forty-five".