7551001 has 2 divisors, whose sum is σ = 7551002. Its totient is φ = 7551000.

The previous prime is 7550989. The next prime is 7551013. The reversal of 7551001 is 1001557.

7551001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (7550989) and next prime (7551013).

It can be written as a sum of positive squares in only one way, i.e., 7371225 + 179776 = 2715^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 7551001 - 2¹¹ = 7548953 is a prime.

It is a super-2 number, since 2×7551001² = 114035232204002, 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 7551001.

It is not a weakly prime, because it can be changed into another prime (7551041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3775500 + 3775501.

It is an arithmetic number, because the mean of its divisors is an integer number (3775501).

Almost surely, 2^7551001 is an apocalyptic number.

It is an amenable number.

7551001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7551001 is an equidigital number, since it uses as much as digits as its factorization.

7551001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 7551001 is about 2747.9084773697. The cubic root of 7551001 is about 196.1860738144.

Adding to 7551001 its reverse (1001557), we get a palindrome (8552558).

It can be divided in two parts, 75 and 51001, that added together give a square (51076 = 226²).

The spelling of 7551001 in words is "seven million, five hundred fifty-one thousand, one".