97545619 has 2 divisors, whose sum is σ = 97545620. Its totient is φ = 97545618.

The previous prime is 97545607. The next prime is 97545631. The reversal of 97545619 is 91654579.

It is a balanced prime because it is at equal distance from previous prime (97545607) and next prime (97545631).

It is an emirp because it is prime and its reverse (91654579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97545619 - 2¹¹ = 97543571 is a prime.

It is a super-2 number, since 2×97545619² = 19030295572186322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97545719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48772809 + 48772810.

It is an arithmetic number, because the mean of its divisors is an integer number (48772810).

Almost surely, 2^97545619 is an apocalyptic number.

97545619 is a deficient number, since it is larger than the sum of its proper divisors (1).

97545619 is an equidigital number, since it uses as much as digits as its factorization.

97545619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 46.

The square root of 97545619 is about 9876.5185667825. The cubic root of 97545619 is about 460.3299759042.

The spelling of 97545619 in words is "ninety-seven million, five hundred forty-five thousand, six hundred nineteen".