1531345053 has 8 divisors (see below), whose sum is σ = 2333478208. Its totient is φ = 875054304.

The previous prime is 1531345051. The next prime is 1531345073. The reversal of 1531345053 is 3505431351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1531345053 - 2¹ = 1531345051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1531345053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531345051) 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 7 ways as a sum of consecutive naturals, for example, 36460576 + ... + 36460617.

It is an arithmetic number, because the mean of its divisors is an integer number (291684776).

Almost surely, 2^1531345053 is an apocalyptic number.

It is an amenable number.

1531345053 is a deficient number, since it is larger than the sum of its proper divisors (802133155).

1531345053 is an equidigital number, since it uses as much as digits as its factorization.

1531345053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72921203.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 1531345053 is about 39132.4041300812. The cubic root of 1531345053 is about 1152.6329220885.

The spelling of 1531345053 in words is "one billion, five hundred thirty-one million, three hundred forty-five thousand, fifty-three".