97401851 has 4 divisors (see below), whose sum is σ = 97429104. Its totient is φ = 97374600.

The previous prime is 97401839. The next prime is 97401869. The reversal of 97401851 is 15810479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15810479 = 2753 ⋅5743.

It is a cyclic number.

It is not a de Polignac number, because 97401851 - 2¹⁴ = 97385467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97401881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7280 + ... + 15741.

It is an arithmetic number, because the mean of its divisors is an integer number (24357276).

Almost surely, 2^97401851 is an apocalyptic number.

97401851 is a deficient number, since it is larger than the sum of its proper divisors (27253).

97401851 is a wasteful number, since it uses less digits than its factorization.

97401851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27252.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 97401851 is about 9869.2376098663. The cubic root of 97401851 is about 460.1037116501.

The spelling of 97401851 in words is "ninety-seven million, four hundred one thousand, eight hundred fifty-one".