1352988181 has 2 divisors, whose sum is σ = 1352988182. Its totient is φ = 1352988180.

The previous prime is 1352988097. The next prime is 1352988227. The reversal of 1352988181 is 1818892531.

1352988181 = 26009² + 26010².

It is an a-pointer prime, because the next prime (1352988227) can be obtained adding 1352988181 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 676520100 + 676468081 = 26010^2 + 26009^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352988181 - 2¹⁷ = 1352857109 is a prime.

It is a super-2 number, since 2×1352988181² = 3661154035851377522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1352988281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676494090 + 676494091.

It is an arithmetic number, because the mean of its divisors is an integer number (676494091).

Almost surely, 2^1352988181 is an apocalyptic number.

1352988181 is the 26010-th centered square number.

It is an amenable number.

1352988181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352988181 is an equidigital number, since it uses as much as digits as its factorization.

1352988181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 46.

The square root of 1352988181 is about 36782.9876573396. The cubic root of 1352988181 is about 1106.0242970398.

The spelling of 1352988181 in words is "one billion, three hundred fifty-two million, nine hundred eighty-eight thousand, one hundred eighty-one".