1631054 has 4 divisors (see below), whose sum is σ = 2446584. Its totient is φ = 815526.

The previous prime is 1631053. The next prime is 1631057. The reversal of 1631054 is 4501361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4501361 = 827 ⋅5443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631051) 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 as a sum of consecutive naturals, namely, 407762 + ... + 407765.

It is an arithmetic number, because the mean of its divisors is an integer number (611646).

2^1631054 is an apocalyptic number.

1631054 is a deficient number, since it is larger than the sum of its proper divisors (815530).

1631054 is an equidigital number, since it uses as much as digits as its factorization.

1631054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815529.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1631054 is about 1277.1272450308. The cubic root of 1631054 is about 117.7125532480.

The spelling of 1631054 in words is "one million, six hundred thirty-one thousand, fifty-four".