7551401 has 8 divisors (see below), whose sum is σ = 8871744. Its totient is φ = 6336720.

The previous prime is 7551371. The next prime is 7551407. The reversal of 7551401 is 1041557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7551401 - 2¹⁰ = 7550377 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7551407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26261 + ... + 26546.

It is an arithmetic number, because the mean of its divisors is an integer number (1108968).

Almost surely, 2^7551401 is an apocalyptic number.

It is an amenable number.

7551401 is a deficient number, since it is larger than the sum of its proper divisors (1320343).

7551401 is a wasteful number, since it uses less digits than its factorization.

7551401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52831.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 7551401 is about 2747.9812590336. The cubic root of 7551401 is about 196.1895379487.

Adding to 7551401 its reverse (1041557), we get a palindrome (8592958).

The spelling of 7551401 in words is "seven million, five hundred fifty-one thousand, four hundred one".