1453531049 has 2 divisors, whose sum is σ = 1453531050. Its totient is φ = 1453531048.

The previous prime is 1453531043. The next prime is 1453531073. The reversal of 1453531049 is 9401353541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1417146025 + 36385024 = 37645^2 + 6032^2 .

It is an emirp because it is prime and its reverse (9401353541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1453531049 - 2¹² = 1453526953 is a prime.

It is a super-2 number, since 2×1453531049² = 4225505020814080802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1453531043) 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 as a sum of consecutive naturals, namely, 726765524 + 726765525.

It is an arithmetic number, because the mean of its divisors is an integer number (726765525).

Almost surely, 2^1453531049 is an apocalyptic number.

It is an amenable number.

1453531049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453531049 is an equidigital number, since it uses as much as digits as its factorization.

1453531049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1453531049 is about 38125.2022814306. The cubic root of 1453531049 is about 1132.7692148632.

The spelling of 1453531049 in words is "one billion, four hundred fifty-three million, five hundred thirty-one thousand, forty-nine".