10520197 has 4 divisors (see below), whose sum is σ = 10554336. Its totient is φ = 10486060.

The previous prime is 10520189. The next prime is 10520201. The reversal of 10520197 is 79102501.

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 10520197 - 2³ = 10520189 is a prime.

It is a super-2 number, since 2×10520197² = 221349089837618, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520117) 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, 16603 + ... + 17224.

It is an arithmetic number, because the mean of its divisors is an integer number (2638584).

Almost surely, 2^10520197 is an apocalyptic number.

It is an amenable number.

10520197 is a deficient number, since it is larger than the sum of its proper divisors (34139).

10520197 is an equidigital number, since it uses as much as digits as its factorization.

10520197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34138.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 10520197 is about 3243.4853167542. The cubic root of 10520197 is about 219.1162688907.

Adding to 10520197 its reverse (79102501), we get a palindrome (89622698).

It can be divided in two parts, 105 and 20197, that added together give a palindrome (20302).

The spelling of 10520197 in words is "ten million, five hundred twenty thousand, one hundred ninety-seven".