2738531 has 4 divisors (see below), whose sum is σ = 2742312. Its totient is φ = 2734752.

The previous prime is 2738507. The next prime is 2738539. The reversal of 2738531 is 1358372.

2738531 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 is a cyclic number.

It is not a de Polignac number, because 2738531 - 2⁶ = 2738467 is a prime.

It is a super-2 number, since 2×2738531² = 14999104075922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2738494 and 2738503.

It is not an unprimeable number, because it can be changed into a prime (2738539) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 425 + ... + 2378.

It is an arithmetic number, because the mean of its divisors is an integer number (685578).

2^2738531 is an apocalyptic number.

2738531 is a deficient number, since it is larger than the sum of its proper divisors (3781).

2738531 is an equidigital number, since it uses as much as digits as its factorization.

2738531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780.

The product of its digits is 5040, while the sum is 29.

The square root of 2738531 is about 1654.8507485571. The cubic root of 2738531 is about 139.9069279353.

The spelling of 2738531 in words is "two million, seven hundred thirty-eight thousand, five hundred thirty-one".