2154062265 has 16 divisors (see below), whose sum is σ = 3649235328. Its totient is φ = 1081254656.

The previous prime is 2154062257. The next prime is 2154062279. The reversal of 2154062265 is 5622604512.

It is a cyclic number.

It is not a de Polignac number, because 2154062265 - 2³ = 2154062257 is a prime.

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, 4223397 + ... + 4223906.

It is an arithmetic number, because the mean of its divisors is an integer number (228077208).

Almost surely, 2^2154062265 is an apocalyptic number.

It is an amenable number.

2154062265 is a deficient number, since it is larger than the sum of its proper divisors (1495173063).

2154062265 is a wasteful number, since it uses less digits than its factorization.

2154062265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447328.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2154062265 is about 46411.8763356967. The cubic root of 2154062265 is about 1291.4752397459.

Adding to 2154062265 its reverse (5622604512), we get a palindrome (7776666777).

The spelling of 2154062265 in words is "two billion, one hundred fifty-four million, sixty-two thousand, two hundred sixty-five".