953197421 has 8 divisors (see below), whose sum is σ = 1059472224. Its totient is φ = 850192720.

The previous prime is 953197391. The next prime is 953197439. The reversal of 953197421 is 124791359.

953197421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 953197421 - 2¹⁰ = 953196397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (953197321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816911 + ... + 818076.

It is an arithmetic number, because the mean of its divisors is an integer number (132434028).

Almost surely, 2^953197421 is an apocalyptic number.

It is an amenable number.

953197421 is a deficient number, since it is larger than the sum of its proper divisors (106274803).

953197421 is a wasteful number, since it uses less digits than its factorization.

953197421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635051.

The product of its digits is 68040, while the sum is 41.

The square root of 953197421 is about 30873.8954620242. The cubic root of 953197421 is about 984.1492206142.

The spelling of 953197421 in words is "nine hundred fifty-three million, one hundred ninety-seven thousand, four hundred twenty-one".