97561359 has 12 divisors (see below), whose sum is σ = 161053776. Its totient is φ = 55749312.

The previous prime is 97561357. The next prime is 97561363. The reversal of 97561359 is 95316579.

It is not a de Polignac number, because 97561359 - 2¹ = 97561357 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97561357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774234 + ... + 774359.

It is an arithmetic number, because the mean of its divisors is an integer number (13421148).

Almost surely, 2^97561359 is an apocalyptic number.

97561359 is a deficient number, since it is larger than the sum of its proper divisors (63492417).

97561359 is a wasteful number, since it uses less digits than its factorization.

97561359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548606 (or 1548603 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 97561359 is about 9877.3153741287. The cubic root of 97561359 is about 460.3547342488.

The spelling of 97561359 in words is "ninety-seven million, five hundred sixty-one thousand, three hundred fifty-nine".