97100057 has 4 divisors (see below), whose sum is σ = 98042880. Its totient is φ = 96157236.

The previous prime is 97100053. The next prime is 97100083. The reversal of 97100057 is 75000179.

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.

It is a cyclic number.

It is not a de Polignac number, because 97100057 - 2² = 97100053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97100053) 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, 471257 + ... + 471462.

It is an arithmetic number, because the mean of its divisors is an integer number (24510720).

Almost surely, 2^97100057 is an apocalyptic number.

It is an amenable number.

97100057 is a deficient number, since it is larger than the sum of its proper divisors (942823).

97100057 is a wasteful number, since it uses less digits than its factorization.

97100057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942822.

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 97100057 is about 9853.9361171057. The cubic root of 97100057 is about 459.6280184318.

The spelling of 97100057 in words is "ninety-seven million, one hundred thousand, fifty-seven".