10621579 has 2 divisors, whose sum is σ = 10621580. Its totient is φ = 10621578.

The previous prime is 10621547. The next prime is 10621591. The reversal of 10621579 is 97512601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10621579 - 2⁵ = 10621547 is a prime.

It is a super-2 number, since 2×10621579² = 225635880906482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10621579.

It is not a weakly prime, because it can be changed into another prime (10621879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5310789 + 5310790.

It is an arithmetic number, because the mean of its divisors is an integer number (5310790).

Almost surely, 2^10621579 is an apocalyptic number.

10621579 is a deficient number, since it is larger than the sum of its proper divisors (1).

10621579 is an equidigital number, since it uses as much as digits as its factorization.

10621579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 10621579 is about 3259.0764029093. The cubic root of 10621579 is about 219.8178864802.

The spelling of 10621579 in words is "ten million, six hundred twenty-one thousand, five hundred seventy-nine".