2154023051 has 2 divisors, whose sum is σ = 2154023052. Its totient is φ = 2154023050.

The previous prime is 2154023041. The next prime is 2154023057. The reversal of 2154023051 is 1503204512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2154023051 is a prime.

It is a super-3 number, since 3×2154023051³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2154023057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077011525 + 1077011526.

It is an arithmetic number, because the mean of its divisors is an integer number (1077011526).

Almost surely, 2^2154023051 is an apocalyptic number.

2154023051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154023051 is an equidigital number, since it uses as much as digits as its factorization.

2154023051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2154023051 is about 46411.4538772489. The cubic root of 2154023051 is about 1291.4674027367.

Adding to 2154023051 its reverse (1503204512), we get a palindrome (3657227563).

The spelling of 2154023051 in words is "two billion, one hundred fifty-four million, twenty-three thousand, fifty-one".