1952273287 has 2 divisors, whose sum is σ = 1952273288. Its totient is φ = 1952273286.

The previous prime is 1952273273. The next prime is 1952273333. The reversal of 1952273287 is 7823722591.

It is an a-pointer prime, because the next prime (1952273333) can be obtained adding 1952273287 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1952273287 is a prime.

It is a super-2 number, since 2×1952273287² = 7622741974267568738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1952273087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976136643 + 976136644.

It is an arithmetic number, because the mean of its divisors is an integer number (976136644).

Almost surely, 2^1952273287 is an apocalyptic number.

1952273287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1952273287 is an equidigital number, since it uses as much as digits as its factorization.

1952273287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The square root of 1952273287 is about 44184.5367408101. The cubic root of 1952273287 is about 1249.8182748087.

The spelling of 1952273287 in words is "one billion, nine hundred fifty-two million, two hundred seventy-three thousand, two hundred eighty-seven".