16525541 has 2 divisors, whose sum is σ = 16525542. Its totient is φ = 16525540.

The previous prime is 16525507. The next prime is 16525601. The reversal of 16525541 is 14552561.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8288641 + 8236900 = 2879^2 + 2870^2 .

It is a cyclic number.

It is not a de Polignac number, because 16525541 - 2²² = 12331237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16525741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8262770 + 8262771.

It is an arithmetic number, because the mean of its divisors is an integer number (8262771).

Almost surely, 2^16525541 is an apocalyptic number.

It is an amenable number.

16525541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16525541 is an equidigital number, since it uses as much as digits as its factorization.

16525541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6000, while the sum is 29.

The square root of 16525541 is about 4065.1618663960. The cubic root of 16525541 is about 254.7134600183.

The spelling of 16525541 in words is "sixteen million, five hundred twenty-five thousand, five hundred forty-one".