1452952181 has 2 divisors, whose sum is σ = 1452952182. Its totient is φ = 1452952180.

The previous prime is 1452952177. The next prime is 1452952183. The reversal of 1452952181 is 1812592541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1179579025 + 273373156 = 34345^2 + 16534^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452952181 - 2² = 1452952177 is a prime.

It is a super-2 number, since 2×1452952181² = 4222140080545313522, which contains 22 as substring.

Together with 1452952183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1452952183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726476090 + 726476091.

It is an arithmetic number, because the mean of its divisors is an integer number (726476091).

Almost surely, 2^1452952181 is an apocalyptic number.

It is an amenable number.

1452952181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452952181 is an equidigital number, since it uses as much as digits as its factorization.

1452952181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 38.

The square root of 1452952181 is about 38117.6098542393. The cubic root of 1452952181 is about 1132.6188199755.

The spelling of 1452952181 in words is "one billion, four hundred fifty-two million, nine hundred fifty-two thousand, one hundred eighty-one".