2545384 has 8 divisors (see below), whose sum is σ = 4772610. Its totient is φ = 1272688.

The previous prime is 2545369. The next prime is 2545429. The reversal of 2545384 is 4835452.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 142884 = 1550^2 + 378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159079 + ... + 159094.

2^2545384 is an apocalyptic number.

It is an amenable number.

2545384 is a deficient number, since it is larger than the sum of its proper divisors (2227226).

2545384 is a wasteful number, since it uses less digits than its factorization.

2545384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318179 (or 318175 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 2545384 is about 1595.4259619299. The cubic root of 2545384 is about 136.5372348518.

The spelling of 2545384 in words is "two million, five hundred forty-five thousand, three hundred eighty-four".