2505001 has 4 divisors (see below), whose sum is σ = 2652372. Its totient is φ = 2357632.

The previous prime is 2504987. The next prime is 2505007. The reversal of 2505001 is 1005052.

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 853776 + 1651225 = 924^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505001 - 2⁵ = 2504969 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 (2505007) 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, 73660 + ... + 73693.

It is an arithmetic number, because the mean of its divisors is an integer number (663093).

2^2505001 is an apocalyptic number.

It is an amenable number.

2505001 is a deficient number, since it is larger than the sum of its proper divisors (147371).

2505001 is a wasteful number, since it uses less digits than its factorization.

2505001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147370.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 2505001 is about 1582.7194950464. The cubic root of 2505001 is about 135.8113192355.

The spelling of 2505001 in words is "two million, five hundred five thousand, one".