2545628 has 6 divisors (see below), whose sum is σ = 4454856. Its totient is φ = 1272812.

The previous prime is 2545619. The next prime is 2545633. The reversal of 2545628 is 8265452.

It is a d-powerful number, because it can be written as 2¹¹ + 5⁴ + 4⁸ + 5⁹ + 6 + 2¹⁸ + 8⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 2545594 and 2545603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318200 + ... + 318207.

It is an arithmetic number, because the mean of its divisors is an integer number (742476).

2^2545628 is an apocalyptic number.

It is an amenable number.

2545628 is a deficient number, since it is larger than the sum of its proper divisors (1909228).

2545628 is a wasteful number, since it uses less digits than its factorization.

2545628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636411 (or 636409 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 2545628 is about 1595.5024287039. The cubic root of 2545628 is about 136.5415975231.

The spelling of 2545628 in words is "two million, five hundred forty-five thousand, six hundred twenty-eight".