1051507489 has 2 divisors, whose sum is σ = 1051507490. Its totient is φ = 1051507488.

The previous prime is 1051507421. The next prime is 1051507517. The reversal of 1051507489 is 9847051501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1043806864 + 7700625 = 32308^2 + 2775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051507489 - 2¹³ = 1051499297 is a prime.

It is a super-2 number, since 2×1051507489² = 2211335998846170242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051505489) 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, 525753744 + 525753745.

It is an arithmetic number, because the mean of its divisors is an integer number (525753745).

Almost surely, 2^1051507489 is an apocalyptic number.

It is an amenable number.

1051507489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051507489 is an equidigital number, since it uses as much as digits as its factorization.

1051507489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1051507489 is about 32426.9562093022. The cubic root of 1051507489 is about 1016.8825389250.

The spelling of 1051507489 in words is "one billion, fifty-one million, five hundred seven thousand, four hundred eighty-nine".