1452094981 has 2 divisors, whose sum is σ = 1452094982. Its totient is φ = 1452094980.

The previous prime is 1452094979. The next prime is 1452094999. The reversal of 1452094981 is 1894902541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1395694881 + 56400100 = 37359^2 + 7510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452094981 - 2¹ = 1452094979 is a prime.

It is a super-2 number, since 2×1452094981² = 4217159667690780722, which contains 22 as substring.

Together with 1452094979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1452094951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726047490 + 726047491.

It is an arithmetic number, because the mean of its divisors is an integer number (726047491).

Almost surely, 2^1452094981 is an apocalyptic number.

It is an amenable number.

1452094981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452094981 is an equidigital number, since it uses as much as digits as its factorization.

1452094981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1452094981 is about 38106.3640485418. The cubic root of 1452094981 is about 1132.3960386484.

The spelling of 1452094981 in words is "one billion, four hundred fifty-two million, ninety-four thousand, nine hundred eighty-one".