1531450453 has 24 divisors (see below), whose sum is σ = 1693543488. Its totient is φ = 1383962112.

The previous prime is 1531450451. The next prime is 1531450463. The reversal of 1531450453 is 3540541351.

It is not a de Polignac number, because 1531450453 - 2¹ = 1531450451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531450451) 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 23 ways as a sum of consecutive naturals, for example, 1688026 + ... + 1688932.

It is an arithmetic number, because the mean of its divisors is an integer number (70564312).

Almost surely, 2^1531450453 is an apocalyptic number.

1531450453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1531450453 is a deficient number, since it is larger than the sum of its proper divisors (162093035).

1531450453 is a wasteful number, since it uses less digits than its factorization.

1531450453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1531450453 is about 39133.7508169099. The cubic root of 1531450453 is about 1152.6593661010.

The spelling of 1531450453 in words is "one billion, five hundred thirty-one million, four hundred fifty thousand, four hundred fifty-three".