95521999 has 2 divisors, whose sum is σ = 95522000. Its totient is φ = 95521998.

The previous prime is 95521991. The next prime is 95522029. The reversal of 95521999 is 99912559.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99912559) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 95521999 - 2³ = 95521991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95521991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47760999 + 47761000.

It is an arithmetic number, because the mean of its divisors is an integer number (47761000).

Almost surely, 2^95521999 is an apocalyptic number.

95521999 is a deficient number, since it is larger than the sum of its proper divisors (1).

95521999 is an equidigital number, since it uses as much as digits as its factorization.

95521999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 328050, while the sum is 49.

The square root of 95521999 is about 9773.5356447910. The cubic root of 95521999 is about 457.1244675313.

The spelling of 95521999 in words is "ninety-five million, five hundred twenty-one thousand, nine hundred ninety-nine".