2501567 has 4 divisors (see below), whose sum is σ = 2648736. Its totient is φ = 2354400.

The previous prime is 2501563. The next prime is 2501573. The reversal of 2501567 is 7651052.

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

It is a cyclic number.

It is not a de Polignac number, because 2501567 - 2² = 2501563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501563) 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, 73559 + ... + 73592.

It is an arithmetic number, because the mean of its divisors is an integer number (662184).

2^2501567 is an apocalyptic number.

2501567 is a deficient number, since it is larger than the sum of its proper divisors (147169).

2501567 is a wasteful number, since it uses less digits than its factorization.

2501567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147168.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2501567 is about 1581.6342813685. The cubic root of 2501567 is about 135.7492315232.

The spelling of 2501567 in words is "two million, five hundred one thousand, five hundred sixty-seven".