1653041531 has 4 divisors (see below), whose sum is σ = 1655550600. Its totient is φ = 1650532464.

The previous prime is 1653041521. The next prime is 1653041549. The reversal of 1653041531 is 1351403561.

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 1653041531 - 2¹⁰ = 1653040507 is a prime.

It is a super-2 number, since 2×1653041531² = 5465092606421647922, 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 = 1653041494 and 1653041503.

It is not an unprimeable number, because it can be changed into a prime (1653041521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253546 + ... + 1254863.

It is an arithmetic number, because the mean of its divisors is an integer number (413887650).

Almost surely, 2^1653041531 is an apocalyptic number.

1653041531 is a deficient number, since it is larger than the sum of its proper divisors (2509069).

1653041531 is an equidigital number, since it uses as much as digits as its factorization.

1653041531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509068.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1653041531 is about 40657.6134444706. The cubic root of 1653041531 is about 1182.3913801422.

The spelling of 1653041531 in words is "one billion, six hundred fifty-three million, forty-one thousand, five hundred thirty-one".