7541205085 has 4 divisors (see below), whose sum is σ = 9049446108. Its totient is φ = 6032964064.

The previous prime is 7541205079. The next prime is 7541205103. The reversal of 7541205085 is 5805021457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5805021457 = 43 ⋅135000499.

It can be written as a sum of positive squares in 2 ways, for example, as 5261906521 + 2279298564 = 72539^2 + 47742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7541205085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754120504 + ... + 754120513.

It is an arithmetic number, because the mean of its divisors is an integer number (2262361527).

Almost surely, 2^7541205085 is an apocalyptic number.

It is an amenable number.

7541205085 is a deficient number, since it is larger than the sum of its proper divisors (1508241023).

7541205085 is a wasteful number, since it uses less digits than its factorization.

7541205085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508241022.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 7541205085 is about 86840.1121890109. The cubic root of 7541205085 is about 1961.0119969139.

The spelling of 7541205085 in words is "seven billion, five hundred forty-one million, two hundred five thousand, eighty-five".