2541898 has 8 divisors (see below), whose sum is σ = 3841092. Its totient is φ = 1261536.

The previous prime is 2541883. The next prime is 2541899. The reversal of 2541898 is 8981452.

It can be written as a sum of positive squares in 2 ways, for example, as 2424249 + 117649 = 1557^2 + 343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2541898² = 12922490884808, which contains 22 as substring.

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 (2541899) 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, 4365 + ... + 4912.

2^2541898 is an apocalyptic number.

2541898 is a deficient number, since it is larger than the sum of its proper divisors (1299194).

2541898 is a wasteful number, since it uses less digits than its factorization.

2541898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9416.

The product of its digits is 23040, while the sum is 37.

The square root of 2541898 is about 1594.3330894139. Note that the first 3 decimals coincide. The cubic root of 2541898 is about 136.4748754001.

The spelling of 2541898 in words is "two million, five hundred forty-one thousand, eight hundred ninety-eight".