2548890529 has 4 divisors (see below), whose sum is σ = 2698825284. Its totient is φ = 2398955776.

The previous prime is 2548890517. The next prime is 2548890541. The reversal of 2548890529 is 9250988452.

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

It is an interprime number because it is at equal distance from previous prime (2548890517) and next prime (2548890541).

It can be written as a sum of positive squares in 2 ways, for example, as 1540955025 + 1007935504 = 39255^2 + 31748^2 .

It is a cyclic number.

It is not a de Polignac number, because 2548890529 - 2⁵ = 2548890497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2548890559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74967352 + ... + 74967385.

It is an arithmetic number, because the mean of its divisors is an integer number (674706321).

Almost surely, 2^2548890529 is an apocalyptic number.

It is an amenable number.

2548890529 is a deficient number, since it is larger than the sum of its proper divisors (149934755).

2548890529 is a wasteful number, since it uses less digits than its factorization.

2548890529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149934754.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 2548890529 is about 50486.5380968036. The cubic root of 2548890529 is about 1365.9990412415. Note that the first 3 decimals are identical.

The spelling of 2548890529 in words is "two billion, five hundred forty-eight million, eight hundred ninety thousand, five hundred twenty-nine".