1051656265 has 16 divisors (see below), whose sum is σ = 1390087296. Its totient is φ = 757411200.

The previous prime is 1051656257. The next prime is 1051656271. The reversal of 1051656265 is 5626561501.

It is not a de Polignac number, because 1051656265 - 2³ = 1051656257 is a prime.

It is a super-2 number, since 2×1051656265² = 2211961799427500450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87156 + ... + 98485.

It is an arithmetic number, because the mean of its divisors is an integer number (86880456).

Almost surely, 2^1051656265 is an apocalyptic number.

It is an amenable number.

1051656265 is a deficient number, since it is larger than the sum of its proper divisors (338431031).

1051656265 is a wasteful number, since it uses less digits than its factorization.

1051656265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185760.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 1051656265 is about 32429.2501455091. The cubic root of 1051656265 is about 1016.9304956550.

The spelling of 1051656265 in words is "one billion, fifty-one million, six hundred fifty-six thousand, two hundred sixty-five".