2154250101 has 4 divisors (see below), whose sum is σ = 2872333472. Its totient is φ = 1436166732.

The previous prime is 2154250099. The next prime is 2154250103. The reversal of 2154250101 is 1010524512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2154250099) and next prime (2154250103).

It is not a de Polignac number, because 2154250101 - 2¹ = 2154250099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154250103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359041681 + ... + 359041686.

It is an arithmetic number, because the mean of its divisors is an integer number (718083368).

Almost surely, 2^2154250101 is an apocalyptic number.

It is an amenable number.

2154250101 is a deficient number, since it is larger than the sum of its proper divisors (718083371).

2154250101 is an equidigital number, since it uses as much as digits as its factorization.

2154250101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718083370.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2154250101 is about 46413.8998684661. The cubic root of 2154250101 is about 1291.5127778889.

Adding to 2154250101 its reverse (1010524512), we get a palindrome (3164774613).

The spelling of 2154250101 in words is "two billion, one hundred fifty-four million, two hundred fifty thousand, one hundred one".