2050531 has 4 divisors (see below), whose sum is σ = 2343472. Its totient is φ = 1757592.

The previous prime is 2050513. The next prime is 2050547. The reversal of 2050531 is 1350502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1350502 = 2 ⋅675251.

It is a cyclic number.

It is not a de Polignac number, because 2050531 - 2⁷ = 2050403 is a prime.

It is a super-2 number, since 2×2050531² = 8409354763922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2050511) 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 in 3 ways as a sum of consecutive naturals, for example, 146460 + ... + 146473.

It is an arithmetic number, because the mean of its divisors is an integer number (585868).

2^2050531 is an apocalyptic number.

2050531 is a deficient number, since it is larger than the sum of its proper divisors (292941).

2050531 is an equidigital number, since it uses as much as digits as its factorization.

2050531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292940.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2050531 is about 1431.9675275648. The cubic root of 2050531 is about 127.0443765808.

It can be divided in two parts, 2050 and 531, that multiplied together give a triangular number (1088550 = T₁₄₇₅).

The spelling of 2050531 in words is "two million, fifty thousand, five hundred thirty-one".