8051397 has 4 divisors (see below), whose sum is σ = 10735200. Its totient is φ = 5367596.

The previous prime is 8051377. The next prime is 8051401. The reversal of 8051397 is 7931508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8051397 - 2¹⁵ = 8018629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8051377) 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, 1341897 + ... + 1341902.

It is an arithmetic number, because the mean of its divisors is an integer number (2683800).

Almost surely, 2^8051397 is an apocalyptic number.

It is an amenable number.

8051397 is a deficient number, since it is larger than the sum of its proper divisors (2683803).

8051397 is a wasteful number, since it uses less digits than its factorization.

8051397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683802.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 8051397 is about 2837.4983700436. The cubic root of 8051397 is about 200.4273943531.

It can be divided in two parts, 8051 and 397, that added together give a palindrome (8448).

The spelling of 8051397 in words is "eight million, fifty-one thousand, three hundred ninety-seven".