1051751489 has 2 divisors, whose sum is σ = 1051751490. Its totient is φ = 1051751488.

The previous prime is 1051751483. The next prime is 1051751501. The reversal of 1051751489 is 9841571501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532686400 + 519065089 = 23080^2 + 22783^2 .

It is an emirp because it is prime and its reverse (9841571501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1051751489 - 2²⁸ = 783316033 is a prime.

It is a super-2 number, since 2×1051751489² = 2212362389227434242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1051751483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525875744 + 525875745.

It is an arithmetic number, because the mean of its divisors is an integer number (525875745).

Almost surely, 2^1051751489 is an apocalyptic number.

It is an amenable number.

1051751489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051751489 is an equidigital number, since it uses as much as digits as its factorization.

1051751489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 41.

The square root of 1051751489 is about 32430.7182930012. The cubic root of 1051751489 is about 1016.9611879607.

The spelling of 1051751489 in words is "one billion, fifty-one million, seven hundred fifty-one thousand, four hundred eighty-nine".