96990251 has 4 divisors (see below), whose sum is σ = 97201104. Its totient is φ = 96779400.

The previous prime is 96990247. The next prime is 96990293. The reversal of 96990251 is 15209969.

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 96990251 - 2² = 96990247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 96990199 and 96990208.

It is not an unprimeable number, because it can be changed into a prime (96992251) 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, 104735 + ... + 105656.

It is an arithmetic number, because the mean of its divisors is an integer number (24300276).

Almost surely, 2^96990251 is an apocalyptic number.

96990251 is a deficient number, since it is larger than the sum of its proper divisors (210853).

96990251 is a wasteful number, since it uses less digits than its factorization.

96990251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210852.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 96990251 is about 9848.3628588715. The cubic root of 96990251 is about 459.4546956675.

The spelling of 96990251 in words is "ninety-six million, nine hundred ninety thousand, two hundred fifty-one".