10521607 has 2 divisors, whose sum is σ = 10521608. Its totient is φ = 10521606.

The previous prime is 10521593. The next prime is 10521629. The reversal of 10521607 is 70612501.

It is an a-pointer prime, because the next prime (10521629) can be obtained adding 10521607 to its sum of digits (22).

It is a weak prime.

It is an emirp because it is prime and its reverse (70612501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10521607 - 2¹⁹ = 9997319 is a prime.

It is a super-2 number, since 2×10521607² = 221408427724898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10521697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260803 + 5260804.

It is an arithmetic number, because the mean of its divisors is an integer number (5260804).

Almost surely, 2^10521607 is an apocalyptic number.

10521607 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521607 is an equidigital number, since it uses as much as digits as its factorization.

10521607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 10521607 is about 3243.7026682481. The cubic root of 10521607 is about 219.1260576851.

It can be divided in two parts, 105 and 21607, that added together give a palindrome (21712).

The spelling of 10521607 in words is "ten million, five hundred twenty-one thousand, six hundred seven".