10602421 has 2 divisors, whose sum is σ = 10602422. Its totient is φ = 10602420.

The previous prime is 10602419. The next prime is 10602463. The reversal of 10602421 is 12420601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10595025 + 7396 = 3255^2 + 86^2 .

It is a cyclic number.

It is not a de Polignac number, because 10602421 - 2¹ = 10602419 is a prime.

It is a super-2 number, since 2×10602421² = 224822662122482, which contains 22 as substring.

Together with 10602419, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10602395 and 10602404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10602121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5301210 + 5301211.

It is an arithmetic number, because the mean of its divisors is an integer number (5301211).

Almost surely, 2^10602421 is an apocalyptic number.

It is an amenable number.

10602421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10602421 is an equidigital number, since it uses as much as digits as its factorization.

10602421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 10602421 is about 3256.1359001123. The cubic root of 10602421 is about 219.6856460808.

It can be divided in two parts, 1060 and 2421, that added together give a square (3481 = 59²).

The spelling of 10602421 in words is "ten million, six hundred two thousand, four hundred twenty-one".