10489657 has 2 divisors, whose sum is σ = 10489658. Its totient is φ = 10489656.

The previous prime is 10489651. The next prime is 10489667. The reversal of 10489657 is 75698401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10394176 + 95481 = 3224^2 + 309^2 .

It is an emirp because it is prime and its reverse (75698401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10489657 - 2³ = 10489649 is a prime.

It is a super-2 number, since 2×10489657² = 220065807955298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10489651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5244828 + 5244829.

It is an arithmetic number, because the mean of its divisors is an integer number (5244829).

Almost surely, 2^10489657 is an apocalyptic number.

It is an amenable number.

10489657 is a deficient number, since it is larger than the sum of its proper divisors (1).

10489657 is an equidigital number, since it uses as much as digits as its factorization.

10489657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 10489657 is about 3238.7739964375. The cubic root of 10489657 is about 218.9040327913.

The spelling of 10489657 in words is "ten million, four hundred eighty-nine thousand, six hundred fifty-seven".