1452984661 has 2 divisors, whose sum is σ = 1452984662. Its totient is φ = 1452984660.

The previous prime is 1452984607. The next prime is 1452984703. The reversal of 1452984661 is 1664892541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1230676561 + 222308100 = 35081^2 + 14910^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452984661 - 2¹⁵ = 1452951893 is a prime.

It is a super-2 number, since 2×1452984661² = 4222328850202569842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1452984761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726492330 + 726492331.

It is an arithmetic number, because the mean of its divisors is an integer number (726492331).

Almost surely, 2^1452984661 is an apocalyptic number.

It is an amenable number.

1452984661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452984661 is an equidigital number, since it uses as much as digits as its factorization.

1452984661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 46.

The square root of 1452984661 is about 38118.0359016568. The cubic root of 1452984661 is about 1132.6272596167.

The spelling of 1452984661 in words is "one billion, four hundred fifty-two million, nine hundred eighty-four thousand, six hundred sixty-one".