2545051 has 4 divisors (see below), whose sum is σ = 2554992. Its totient is φ = 2535112.

The previous prime is 2545021. The next prime is 2545057. The reversal of 2545051 is 1505452.

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 2545051 - 2⁷ = 2544923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545057) 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 3 ways as a sum of consecutive naturals, for example, 4576 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (638748).

2^2545051 is an apocalyptic number.

2545051 is a deficient number, since it is larger than the sum of its proper divisors (9941).

2545051 is an equidigital number, since it uses as much as digits as its factorization.

2545051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9940.

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

The square root of 2545051 is about 1595.3215976724. The cubic root of 2545051 is about 136.5312804284.

The spelling of 2545051 in words is "two million, five hundred forty-five thousand, fifty-one".