2545101 has 20 divisors (see below), whose sum is σ = 4096092. Its totient is φ = 1565568.

The previous prime is 2545093. The next prime is 2545117. The reversal of 2545101 is 1015452.

It can be written as a sum of positive squares in 2 ways, for example, as 1565001 + 980100 = 1251^2 + 990^2 .

It is not a de Polignac number, because 2545101 - 2³ = 2545093 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545141) 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 19 ways as a sum of consecutive naturals, for example, 156 + ... + 2261.

2^2545101 is an apocalyptic number.

It is an amenable number.

2545101 is a deficient number, since it is larger than the sum of its proper divisors (1550991).

2545101 is a wasteful number, since it uses less digits than its factorization.

2545101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2433 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2545101 is about 1595.3372684169. The cubic root of 2545101 is about 136.5321745191.

The spelling of 2545101 in words is "two million, five hundred forty-five thousand, one hundred one".