7506131 has 4 divisors (see below), whose sum is σ = 7522032. Its totient is φ = 7490232.

The previous prime is 7506113. The next prime is 7506133. The reversal of 7506131 is 1316057.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1316057 = 907 ⋅1451.

It is a cyclic number.

It is not a de Polignac number, because 7506131 - 2²² = 3311827 is a prime.

It is a super-2 number, since 2×7506131² = 112684005178322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7506097 and 7506106.

It is not an unprimeable number, because it can be changed into a prime (7506133) 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 in 3 ways as a sum of consecutive naturals, for example, 7220 + ... + 8193.

It is an arithmetic number, because the mean of its divisors is an integer number (1880508).

Almost surely, 2^7506131 is an apocalyptic number.

7506131 is a deficient number, since it is larger than the sum of its proper divisors (15901).

7506131 is a wasteful number, since it uses less digits than its factorization.

7506131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15900.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 7506131 is about 2739.7319211923. The cubic root of 7506131 is about 195.7967054277.

The spelling of 7506131 in words is "seven million, five hundred six thousand, one hundred thirty-one".