7531474441 has 2 divisors, whose sum is σ = 7531474442. Its totient is φ = 7531474440.

The previous prime is 7531474421. The next prime is 7531474469. The reversal of 7531474441 is 1444741357.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5375822400 + 2155652041 = 73320^2 + 46429^2 .

It is an emirp because it is prime and its reverse (1444741357) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7531474441 - 2⁵ = 7531474409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7531474394 and 7531474403.

It is not a weakly prime, because it can be changed into another prime (7531474411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765737220 + 3765737221.

It is an arithmetic number, because the mean of its divisors is an integer number (3765737221).

Almost surely, 2^7531474441 is an apocalyptic number.

It is an amenable number.

7531474441 is a deficient number, since it is larger than the sum of its proper divisors (1).

7531474441 is an equidigital number, since it uses as much as digits as its factorization.

7531474441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 40.

The square root of 7531474441 is about 86784.0678984340. The cubic root of 7531474441 is about 1960.1681829339.

The spelling of 7531474441 in words is "seven billion, five hundred thirty-one million, four hundred seventy-four thousand, four hundred forty-one".