10500397 has 4 divisors (see below), whose sum is σ = 10956960. Its totient is φ = 10043836.

The previous prime is 10500379. The next prime is 10500421. The reversal of 10500397 is 79300501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79300501 = 7 ⋅11328643.

It is a cyclic number.

It is not a de Polignac number, because 10500397 - 2²³ = 2111789 is a prime.

It is a super-2 number, since 2×10500397² = 220516674315218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10500367) 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, 228247 + ... + 228292.

It is an arithmetic number, because the mean of its divisors is an integer number (2739240).

Almost surely, 2^10500397 is an apocalyptic number.

It is an amenable number.

10500397 is a deficient number, since it is larger than the sum of its proper divisors (456563).

10500397 is an equidigital number, since it uses as much as digits as its factorization.

10500397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456562.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 10500397 is about 3240.4316070548. The cubic root of 10500397 is about 218.9787167518.

Adding to 10500397 its reverse (79300501), we get a palindrome (89800898).

The spelling of 10500397 in words is "ten million, five hundred thousand, three hundred ninety-seven".