1054187213 has 2 divisors, whose sum is σ = 1054187214. Its totient is φ = 1054187212.

The previous prime is 1054187171. The next prime is 1054187227. The reversal of 1054187213 is 3127814501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1053781444 + 405769 = 32462^2 + 637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054187213 is a prime.

It is a super-2 number, since 2×1054187213² = 2222621360105414738, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054187213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054187263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527093606 + 527093607.

It is an arithmetic number, because the mean of its divisors is an integer number (527093607).

Almost surely, 2^1054187213 is an apocalyptic number.

It is an amenable number.

1054187213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054187213 is an equidigital number, since it uses as much as digits as its factorization.

1054187213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1054187213 is about 32468.2493060528. The cubic root of 1054187213 is about 1017.7456340605.

The spelling of 1054187213 in words is "one billion, fifty-four million, one hundred eighty-seven thousand, two hundred thirteen".