10621973 has 2 divisors, whose sum is σ = 10621974. Its totient is φ = 10621972.

The previous prime is 10621967. The next prime is 10621981. The reversal of 10621973 is 37912601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10608049 + 13924 = 3257^2 + 118^2 .

It is a cyclic number.

It is not a de Polignac number, because 10621973 - 2¹⁰ = 10620949 is a prime.

It is a super-2 number, since 2×10621973² = 225652620825458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10621913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5310986 + 5310987.

It is an arithmetic number, because the mean of its divisors is an integer number (5310987).

Almost surely, 2^10621973 is an apocalyptic number.

It is an amenable number.

10621973 is a deficient number, since it is larger than the sum of its proper divisors (1).

10621973 is an equidigital number, since it uses as much as digits as its factorization.

10621973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 10621973 is about 3259.1368489218. The cubic root of 10621973 is about 219.8206044432.

The spelling of 10621973 in words is "ten million, six hundred twenty-one thousand, nine hundred seventy-three".