10642529 has 2 divisors, whose sum is σ = 10642530. Its totient is φ = 10642528.

The previous prime is 10642519. The next prime is 10642547. The reversal of 10642529 is 92524601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10549504 + 93025 = 3248^2 + 305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10642529 is a prime.

It is a super-2 number, since 2×10642529² = 226526847031682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10642519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321264 + 5321265.

It is an arithmetic number, because the mean of its divisors is an integer number (5321265).

Almost surely, 2^10642529 is an apocalyptic number.

It is an amenable number.

10642529 is a deficient number, since it is larger than the sum of its proper divisors (1).

10642529 is an equidigital number, since it uses as much as digits as its factorization.

10642529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 10642529 is about 3262.2889203748. The cubic root of 10642529 is about 219.9623144816.

The spelling of 10642529 in words is "ten million, six hundred forty-two thousand, five hundred twenty-nine".