97421011 has 4 divisors (see below), whose sum is σ = 97449352. Its totient is φ = 97392672.

The previous prime is 97420987. The next prime is 97421041. The reversal of 97421011 is 11012479.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97421011 - 2¹⁷ = 97289939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97421041) 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, 8166 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (24362338).

Almost surely, 2^97421011 is an apocalyptic number.

97421011 is a deficient number, since it is larger than the sum of its proper divisors (28341).

97421011 is a wasteful number, since it uses less digits than its factorization.

97421011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28340.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 97421011 is about 9870.2082551484. The cubic root of 97421011 is about 460.1338788014.

The spelling of 97421011 in words is "ninety-seven million, four hundred twenty-one thousand, eleven".