10287897 has 4 divisors (see below), whose sum is σ = 13717200. Its totient is φ = 6858596.

The previous prime is 10287881. The next prime is 10287919. The reversal of 10287897 is 79878201.

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 10287897 - 2⁴ = 10287881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10287847) 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, 1714647 + ... + 1714652.

It is an arithmetic number, because the mean of its divisors is an integer number (3429300).

Almost surely, 2^10287897 is an apocalyptic number.

It is an amenable number.

10287897 is a deficient number, since it is larger than the sum of its proper divisors (3429303).

10287897 is an equidigital number, since it uses as much as digits as its factorization.

10287897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429302.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 10287897 is about 3207.4751752742. The cubic root of 10287897 is about 217.4914569243.

The spelling of 10287897 in words is "ten million, two hundred eighty-seven thousand, eight hundred ninety-seven".