2545826 has 4 divisors (see below), whose sum is σ = 3818742. Its totient is φ = 1272912.

The previous prime is 2545817. The next prime is 2545843. The reversal of 2545826 is 6285452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1324801 + 1221025 = 1151^2 + 1105^2 .

It is a d-powerful number, because it can be written as 2¹⁰ + 5⁴ + 4 + 5⁷ + 8⁶ + 2¹⁹ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2545792 and 2545801.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636455 + ... + 636458.

2^2545826 is an apocalyptic number.

2545826 is a deficient number, since it is larger than the sum of its proper divisors (1272916).

2545826 is a wasteful number, since it uses less digits than its factorization.

2545826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272915.

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

The square root of 2545826 is about 1595.5644769172. The cubic root of 2545826 is about 136.5451375186.

The spelling of 2545826 in words is "two million, five hundred forty-five thousand, eight hundred twenty-six".