15628141 has 2 divisors, whose sum is σ = 15628142. Its totient is φ = 15628140.

The previous prime is 15628103. The next prime is 15628147. The reversal of 15628141 is 14182651.

15628141 is nontrivially palindromic in base 5.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13213225 + 2414916 = 3635^2 + 1554^2 .

It is a cyclic number.

It is not a de Polignac number, because 15628141 - 2¹⁵ = 15595373 is a prime.

It is a super-2 number, since 2×15628141² = 488477582231762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15628147) 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 as a sum of consecutive naturals, namely, 7814070 + 7814071.

It is an arithmetic number, because the mean of its divisors is an integer number (7814071).

Almost surely, 2^15628141 is an apocalyptic number.

It is an amenable number.

15628141 is a deficient number, since it is larger than the sum of its proper divisors (1).

15628141 is an equidigital number, since it uses as much as digits as its factorization.

15628141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 28.

The square root of 15628141 is about 3953.2443638106. The cubic root of 15628141 is about 250.0167508776.

The spelling of 15628141 in words is "fifteen million, six hundred twenty-eight thousand, one hundred forty-one".