10650421 has 2 divisors, whose sum is σ = 10650422. Its totient is φ = 10650420.

The previous prime is 10650407. The next prime is 10650427. The reversal of 10650421 is 12405601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9302500 + 1347921 = 3050^2 + 1161^2 .

It is a cyclic number.

It is not a de Polignac number, because 10650421 - 2⁹ = 10649909 is a prime.

It is a super-2 number, since 2×10650421² = 226862934954482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10650427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5325210 + 5325211.

It is an arithmetic number, because the mean of its divisors is an integer number (5325211).

Almost surely, 2^10650421 is an apocalyptic number.

It is an amenable number.

10650421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10650421 is an equidigital number, since it uses as much as digits as its factorization.

10650421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10650421 is about 3263.4982763899. The cubic root of 10650421 is about 220.0166722902.

The spelling of 10650421 in words is "ten million, six hundred fifty thousand, four hundred twenty-one".