2505313144 has 8 divisors (see below), whose sum is σ = 4697462160. Its totient is φ = 1252656568.

The previous prime is 2505313133. The next prime is 2505313163. The reversal of 2505313144 is 4413135052.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156582064 + ... + 156582079.

It is an arithmetic number, because the mean of its divisors is an integer number (587182770).

Almost surely, 2^2505313144 is an apocalyptic number.

It is an amenable number.

2505313144 is a deficient number, since it is larger than the sum of its proper divisors (2192149016).

2505313144 is a wasteful number, since it uses less digits than its factorization.

2505313144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313164149 (or 313164145 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2505313144 is about 50053.1032404585. The cubic root of 2505313144 is about 1358.1696007530.

Adding to 2505313144 its reverse (4413135052), we get a palindrome (6918448196).

The spelling of 2505313144 in words is "two billion, five hundred five million, three hundred thirteen thousand, one hundred forty-four".