2063731 has 2 divisors, whose sum is σ = 2063732. Its totient is φ = 2063730.

The previous prime is 2063729. The next prime is 2063741. The reversal of 2063731 is 1373602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2063731 - 2¹ = 2063729 is a prime.

It is a super-2 number, since 2×2063731² = 8517971280722, which contains 22 as substring.

Together with 2063729, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2063741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1031865 + 1031866.

It is an arithmetic number, because the mean of its divisors is an integer number (1031866).

2^2063731 is an apocalyptic number.

2063731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2063731 is an equidigital number, since it uses as much as digits as its factorization.

2063731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 2063731 is about 1436.5691768933. The cubic root of 2063731 is about 127.3164037018.

The spelling of 2063731 in words is "two million, sixty-three thousand, seven hundred thirty-one".