96621001 has 4 divisors (see below), whose sum is σ = 96649092. Its totient is φ = 96592912.

The previous prime is 96620983. The next prime is 96621037. The reversal of 96621001 is 10012669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10012669 = 773 ⋅12953.

It can be written as a sum of positive squares in 2 ways, for example, as 86508601 + 10112400 = 9301^2 + 3180^2 .

It is a cyclic number.

It is not a de Polignac number, because 96621001 - 2¹¹ = 96618953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (96621071) 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, 8026 + ... + 16051.

It is an arithmetic number, because the mean of its divisors is an integer number (24162273).

Almost surely, 2^96621001 is an apocalyptic number.

96621001 is the 8026-th pentagonal number.

It is an amenable number.

96621001 is a deficient number, since it is larger than the sum of its proper divisors (28091).

96621001 is a wasteful number, since it uses less digits than its factorization.

96621001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28090.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 96621001 is about 9829.5982115242. The cubic root of 96621001 is about 458.8708933563.

The spelling of 96621001 in words is "ninety-six million, six hundred twenty-one thousand, one".