1051413109 has 2 divisors, whose sum is σ = 1051413110. Its totient is φ = 1051413108.

The previous prime is 1051413091. The next prime is 1051413119. The reversal of 1051413109 is 9013141501.

Together with previous prime (1051413091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 716632900 + 334780209 = 26770^2 + 18297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051413109 - 2⁹ = 1051412597 is a prime.

It is a super-2 number, since 2×1051413109² = 2210939051554091762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051413119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525706554 + 525706555.

It is an arithmetic number, because the mean of its divisors is an integer number (525706555).

Almost surely, 2^1051413109 is an apocalyptic number.

It is an amenable number.

1051413109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051413109 is an equidigital number, since it uses as much as digits as its factorization.

1051413109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 1051413109 is about 32425.5009059228. The cubic root of 1051413109 is about 1016.8521139569.

The spelling of 1051413109 in words is "one billion, fifty-one million, four hundred thirteen thousand, one hundred nine".