2501445 has 32 divisors (see below), whose sum is σ = 4308480. Its totient is φ = 1235520.

The previous prime is 2501417. The next prime is 2501449. The reversal of 2501445 is 5441052.

It is not a de Polignac number, because 2501445 - 2⁵ = 2501413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19030 + ... + 19160.

It is an arithmetic number, because the mean of its divisors is an integer number (134640).

2^2501445 is an apocalyptic number.

It is an amenable number.

2501445 is a deficient number, since it is larger than the sum of its proper divisors (1807035).

2501445 is a wasteful number, since it uses less digits than its factorization.

2501445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2501445 is about 1581.5957131960. The cubic root of 2501445 is about 135.7470246830.

Adding to 2501445 its reverse (5441052), we get a palindrome (7942497).

The spelling of 2501445 in words is "two million, five hundred one thousand, four hundred forty-five".