97261601 has 4 divisors (see below), whose sum is σ = 100399104. Its totient is φ = 94124100.

The previous prime is 97261597. The next prime is 97261639. The reversal of 97261601 is 10616279.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10616279 = 17 ⋅624487.

It is a cyclic number.

It is not a de Polignac number, because 97261601 - 2² = 97261597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97261691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568705 + ... + 1568766.

It is an arithmetic number, because the mean of its divisors is an integer number (25099776).

Almost surely, 2^97261601 is an apocalyptic number.

It is an amenable number.

97261601 is a deficient number, since it is larger than the sum of its proper divisors (3137503).

97261601 is a wasteful number, since it uses less digits than its factorization.

97261601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137502.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 97261601 is about 9862.1296381664. The cubic root of 97261601 is about 459.8827694333.

The spelling of 97261601 in words is "ninety-seven million, two hundred sixty-one thousand, six hundred one".