1452553261 has 2 divisors, whose sum is σ = 1452553262. Its totient is φ = 1452553260.

The previous prime is 1452553243. The next prime is 1452553301. The reversal of 1452553261 is 1623552541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1368556036 + 83997225 = 36994^2 + 9165^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452553261 - 2⁷ = 1452553133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1452553241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726276630 + 726276631.

It is an arithmetic number, because the mean of its divisors is an integer number (726276631).

Almost surely, 2^1452553261 is an apocalyptic number.

It is an amenable number.

1452553261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452553261 is an equidigital number, since it uses as much as digits as its factorization.

1452553261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 34.

The square root of 1452553261 is about 38112.3767429952. The cubic root of 1452553261 is about 1132.5151538759.

The spelling of 1452553261 in words is "one billion, four hundred fifty-two million, five hundred fifty-three thousand, two hundred sixty-one".