1051508489 has 2 divisors, whose sum is σ = 1051508490. Its totient is φ = 1051508488.

The previous prime is 1051508483. The next prime is 1051508537. The reversal of 1051508489 is 9848051501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1047169600 + 4338889 = 32360^2 + 2083^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051508489 - 2⁴ = 1051508473 is a prime.

It is a super-2 number, since 2×1051508489² = 2211340204878126242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051508483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525754244 + 525754245.

It is an arithmetic number, because the mean of its divisors is an integer number (525754245).

Almost surely, 2^1051508489 is an apocalyptic number.

It is an amenable number.

1051508489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051508489 is an equidigital number, since it uses as much as digits as its factorization.

1051508489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 1051508489 is about 32426.9716285687. The cubic root of 1051508489 is about 1016.8828612820.

The spelling of 1051508489 in words is "one billion, fifty-one million, five hundred eight thousand, four hundred eighty-nine".