2501205 has 48 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 1102080.

The previous prime is 2501201. The next prime is 2501243. The reversal of 2501205 is 5021052.

It is not a de Polignac number, because 2501205 - 2² = 2501201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30094 + ... + 30176.

It is an arithmetic number, because the mean of its divisors is an integer number (100548).

2^2501205 is an apocalyptic number.

It is an amenable number.

2501205 is a deficient number, since it is larger than the sum of its proper divisors (2325099).

2501205 is a wasteful number, since it uses less digits than its factorization.

2501205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 2501205 is about 1581.5198386362. The cubic root of 2501205 is about 135.7426831487.

Adding to 2501205 its reverse (5021052), we get a palindrome (7522257).

The spelling of 2501205 in words is "two million, five hundred one thousand, two hundred five".