20125153 has 2 divisors, whose sum is σ = 20125154. Its totient is φ = 20125152.

The previous prime is 20125117. The next prime is 20125177. The reversal of 20125153 is 35152102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10712529 + 9412624 = 3273^2 + 3068^2 .

It is a cyclic number.

It is not a de Polignac number, because 20125153 - 2¹³ = 20116961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20125153.

It is not a weakly prime, because it can be changed into another prime (20125103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062576 + 10062577.

It is an arithmetic number, because the mean of its divisors is an integer number (10062577).

Almost surely, 2^20125153 is an apocalyptic number.

It is an amenable number.

20125153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20125153 is an equidigital number, since it uses as much as digits as its factorization.

20125153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 20125153 is about 4486.1066639125. The cubic root of 20125153 is about 272.0067805764.

Adding to 20125153 its reverse (35152102), we get a palindrome (55277255).

The spelling of 20125153 in words is "twenty million, one hundred twenty-five thousand, one hundred fifty-three".