2505451 has 8 divisors (see below), whose sum is σ = 2785664. Its totient is φ = 2237760.

The previous prime is 2505421. The next prime is 2505457. The reversal of 2505451 is 1545052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2505451 - 2¹³ = 2497259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706 + ... + 3511.

It is an arithmetic number, because the mean of its divisors is an integer number (348208).

2^2505451 is an apocalyptic number.

2505451 is a deficient number, since it is larger than the sum of its proper divisors (280213).

2505451 is a wasteful number, since it uses less digits than its factorization.

2505451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2505451 is about 1582.8616490395. The cubic root of 2505451 is about 135.8194511597.

The spelling of 2505451 in words is "two million, five hundred five thousand, four hundred fifty-one".