97020001 has 4 divisors (see below), whose sum is σ = 104483092. Its totient is φ = 89556912.

The previous prime is 97019983. The next prime is 97020017. The reversal of 97020001 is 10002079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10002079 = 23 ⋅434873.

It can be written as a sum of positive squares in 2 ways, for example, as 8208225 + 88811776 = 2865^2 + 9424^2 .

It is a cyclic number.

It is not a de Polignac number, because 97020001 - 2⁷ = 97019873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97020901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3731526 + ... + 3731551.

It is an arithmetic number, because the mean of its divisors is an integer number (26120773).

Almost surely, 2^97020001 is an apocalyptic number.

It is an amenable number.

97020001 is a deficient number, since it is larger than the sum of its proper divisors (7463091).

97020001 is a wasteful number, since it uses less digits than its factorization.

97020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7463090.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 97020001 is about 9849.8731463913. The cubic root of 97020001 is about 459.5016673296.

The spelling of 97020001 in words is "ninety-seven million, twenty thousand, one".