2505213463 has 4 divisors (see below), whose sum is σ = 2505601288. Its totient is φ = 2504825640.

The previous prime is 2505213457. The next prime is 2505213467. The reversal of 2505213463 is 3643125052.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2505213463 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 (2505213467) 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, 184056 + ... + 197197.

It is an arithmetic number, because the mean of its divisors is an integer number (626400322).

Almost surely, 2^2505213463 is an apocalyptic number.

2505213463 is a deficient number, since it is larger than the sum of its proper divisors (387825).

2505213463 is an equidigital number, since it uses as much as digits as its factorization.

2505213463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387824.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2505213463 is about 50052.1074781073. The cubic root of 2505213463 is about 1358.1515876355.

The spelling of 2505213463 in words is "two billion, five hundred five million, two hundred thirteen thousand, four hundred sixty-three".