97261559 has 8 divisors (see below), whose sum is σ = 99066240. Its totient is φ = 95462200.

The previous prime is 97261547. The next prime is 97261579. The reversal of 97261559 is 95516279.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97261559 - 2⁴ = 97261543 is a prime.

It is a super-2 number, since 2×97261559² = 18919621718220962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97261529) 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 in 7 ways as a sum of consecutive naturals, for example, 63614 + ... + 65124.

It is an arithmetic number, because the mean of its divisors is an integer number (12383280).

Almost surely, 2^97261559 is an apocalyptic number.

97261559 is a deficient number, since it is larger than the sum of its proper divisors (1804681).

97261559 is a wasteful number, since it uses less digits than its factorization.

97261559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661.

The product of its digits is 170100, while the sum is 44.

The square root of 97261559 is about 9862.1275088086. The cubic root of 97261559 is about 459.8827032370.

The spelling of 97261559 in words is "ninety-seven million, two hundred sixty-one thousand, five hundred fifty-nine".