1030265509 has 16 divisors (see below), whose sum is σ = 1297512832. Its totient is φ = 796195008.

The previous prime is 1030265503. The next prime is 1030265531. The reversal of 1030265509 is 9055620301.

It is a de Polignac number, because none of the positive numbers 2^k-1030265509 is a prime.

It is a super-2 number, since 2×1030265509² = 2122894038070058162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030265503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127734 + ... + 135559.

It is an arithmetic number, because the mean of its divisors is an integer number (81094552).

Almost surely, 2^1030265509 is an apocalyptic number.

It is an amenable number.

1030265509 is a deficient number, since it is larger than the sum of its proper divisors (267247323).

1030265509 is a wasteful number, since it uses less digits than its factorization.

1030265509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263356.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1030265509 is about 32097.7492824653. The cubic root of 1030265509 is about 1009.9884026378.

The spelling of 1030265509 in words is "one billion, thirty million, two hundred sixty-five thousand, five hundred nine".