2542802 has 4 divisors (see below), whose sum is σ = 3814206. Its totient is φ = 1271400.

The previous prime is 2542759. The next prime is 2542817. The reversal of 2542802 is 2082452.

2542802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 1442401 + 1100401 = 1201^2 + 1049^2 .

It is a super-2 number, since 2×2542802² = 12931684022408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635699 + ... + 635702.

2^2542802 is an apocalyptic number.

2542802 is a deficient number, since it is larger than the sum of its proper divisors (1271404).

2542802 is a wasteful number, since it uses less digits than its factorization.

2542802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271403.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2542802 is about 1594.6165683323. The cubic root of 2542802 is about 136.4910521133.

The spelling of 2542802 in words is "two million, five hundred forty-two thousand, eight hundred two".