10551001 has 2 divisors, whose sum is σ = 10551002. Its totient is φ = 10551000.

The previous prime is 10550993. The next prime is 10551007. The reversal of 10551001 is 10015501.

10551001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7974976 + 2576025 = 2824^2 + 1605^2 .

It is a cyclic number.

It is not a de Polignac number, because 10551001 - 2³ = 10550993 is a prime.

It is a super-2 number, since 2×10551001² = 222647244204002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10551007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275500 + 5275501.

It is an arithmetic number, because the mean of its divisors is an integer number (5275501).

Almost surely, 2^10551001 is an apocalyptic number.

It is an amenable number.

10551001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10551001 is an equidigital number, since it uses as much as digits as its factorization.

10551001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 10551001 is about 3248.2304413326. The cubic root of 10551001 is about 219.3299239643.

Adding to 10551001 its reverse (10015501), we get a palindrome (20566502).

The spelling of 10551001 in words is "ten million, five hundred fifty-one thousand, one".