7525665041 has 4 divisors (see below), whose sum is σ = 7526479872. Its totient is φ = 7524850212.

The previous prime is 7525665013. The next prime is 7525665083. The reversal of 7525665041 is 1405665257.

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 an emirpimes, since its reverse is a distinct semiprime: 1405665257 = 479 ⋅2934583.

It is a cyclic number.

It is not a de Polignac number, because 7525665041 - 2¹⁴ = 7525648657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7525665041.

It is not an unprimeable number, because it can be changed into a prime (7525665001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393401 + ... + 412086.

It is an arithmetic number, because the mean of its divisors is an integer number (1881619968).

Almost surely, 2^7525665041 is an apocalyptic number.

It is an amenable number.

7525665041 is a deficient number, since it is larger than the sum of its proper divisors (814831).

7525665041 is an equidigital number, since it uses as much as digits as its factorization.

7525665041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814830.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 7525665041 is about 86750.5910123960. The cubic root of 7525665041 is about 1959.6640616282.

The spelling of 7525665041 in words is "seven billion, five hundred twenty-five million, six hundred sixty-five thousand, forty-one".