2505105 has 24 divisors (see below), whose sum is σ = 4380480. Its totient is φ = 1324320.

The previous prime is 2505101. The next prime is 2505109. The reversal of 2505105 is 5015052.

It is an interprime number because it is at equal distance from previous prime (2505101) and next prime (2505109).

It is not a de Polignac number, because 2505105 - 2² = 2505101 is a prime.

It is a super-2 number, since 2×2505105² = 12551102122050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2505101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7900 + ... + 8210.

It is an arithmetic number, because the mean of its divisors is an integer number (182520).

2^2505105 is an apocalyptic number.

It is an amenable number.

2505105 is a deficient number, since it is larger than the sum of its proper divisors (1875375).

2505105 is a wasteful number, since it uses less digits than its factorization.

2505105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 2505105 is about 1582.7523495481. The cubic root of 2505105 is about 135.8131987001.

The spelling of 2505105 in words is "two million, five hundred five thousand, one hundred five".