2051351154 has 12 divisors (see below), whose sum is σ = 4444594206. Its totient is φ = 683783712.

The previous prime is 2051351147. The next prime is 2051351161. The reversal of 2051351154 is 4511531502.

It is an interprime number because it is at equal distance from previous prime (2051351147) and next prime (2051351161).

It can be written as a sum of positive squares in only one way, i.e., 1813482225 + 237868929 = 42585^2 + 15423^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56981959 + ... + 56981994.

Almost surely, 2^2051351154 is an apocalyptic number.

2051351154 is an abundant number, since it is smaller than the sum of its proper divisors (2393243052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051351154 is a wasteful number, since it uses less digits than its factorization.

2051351154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113963961 (or 113963958 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2051351154 is about 45291.8442327093. The cubic root of 2051351154 is about 1270.6131236720.

Adding to 2051351154 its reverse (4511531502), we get a palindrome (6562882656).

The spelling of 2051351154 in words is "two billion, fifty-one million, three hundred fifty-one thousand, one hundred fifty-four".