2505280255253 has 4 divisors (see below), whose sum is σ = 2572990532460. Its totient is φ = 2437569978048.

The previous prime is 2505280255249. The next prime is 2505280255297. The reversal of 2505280255253 is 3525520825052.

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 2243216121169 + 262064134084 = 1497737^2 + 511922^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505280255253 - 2² = 2505280255249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505280255453) 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, 33855138548 + ... + 33855138621.

It is an arithmetic number, because the mean of its divisors is an integer number (643247633115).

Almost surely, 2^{2505280255253} is an apocalyptic number.

It is an amenable number.

2505280255253 is a deficient number, since it is larger than the sum of its proper divisors (67710277207).

2505280255253 is an equidigital number, since it uses as much as digits as its factorization.

2505280255253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67710277206.

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 2505280255253 in words is "two trillion, five hundred five billion, two hundred eighty million, two hundred fifty-five thousand, two hundred fifty-three".