10488721 has 2 divisors, whose sum is σ = 10488722. Its totient is φ = 10488720.

The previous prime is 10488719. The next prime is 10488727. The reversal of 10488721 is 12788401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5475600 + 5013121 = 2340^2 + 2239^2 .

It is an emirp because it is prime and its reverse (12788401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10488721 - 2¹ = 10488719 is a prime.

It is a super-2 number, since 2×10488721² = 220026536431682, which contains 22 as substring.

Together with 10488719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10488727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5244360 + 5244361.

It is an arithmetic number, because the mean of its divisors is an integer number (5244361).

Almost surely, 2^10488721 is an apocalyptic number.

It is an amenable number.

10488721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10488721 is an equidigital number, since it uses as much as digits as its factorization.

10488721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 10488721 is about 3238.6294940916. The cubic root of 10488721 is about 218.8975216070.

The spelling of 10488721 in words is "ten million, four hundred eighty-eight thousand, seven hundred twenty-one".