2545498 has 4 divisors (see below), whose sum is σ = 3818250. Its totient is φ = 1272748.

The previous prime is 2545493. The next prime is 2545513. The reversal of 2545498 is 8945452.

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., 2169729 + 375769 = 1473^2 + 613^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2545493) 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 as a sum of consecutive naturals, namely, 636373 + ... + 636376.

2^2545498 is an apocalyptic number.

2545498 is a deficient number, since it is larger than the sum of its proper divisors (1272752).

2545498 is a wasteful number, since it uses less digits than its factorization.

2545498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272751.

The product of its digits is 57600, while the sum is 37.

The square root of 2545498 is about 1595.4616886657. The cubic root of 2545498 is about 136.5392731837.

It can be divided in two parts, 25454 and 98, that added together give a palindrome (25552).

The spelling of 2545498 in words is "two million, five hundred forty-five thousand, four hundred ninety-eight".