7505401 has 4 divisors (see below), whose sum is σ = 7512912. Its totient is φ = 7497892.

The previous prime is 7505389. The next prime is 7505417. The reversal of 7505401 is 1045057.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7505401 - 2¹³ = 7497209 is a prime.

It is a Duffinian number.

7505401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7505431) 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 3 ways as a sum of consecutive naturals, for example, 1975 + ... + 4348.

It is an arithmetic number, because the mean of its divisors is an integer number (1878228).

Almost surely, 2^7505401 is an apocalyptic number.

It is an amenable number.

7505401 is a deficient number, since it is larger than the sum of its proper divisors (7511).

7505401 is a wasteful number, since it uses less digits than its factorization.

7505401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7510.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 7505401 is about 2739.5986932396. The cubic root of 7505401 is about 195.7903578954.

The spelling of 7505401 in words is "seven million, five hundred five thousand, four hundred one".