3527125061 has 4 divisors (see below), whose sum is σ = 3527261772. Its totient is φ = 3526988352.

The previous prime is 3527125057. The next prime is 3527125067. The reversal of 3527125061 is 1605217253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1605217253 = 39103 ⋅41051.

It can be written as a sum of positive squares in 2 ways, for example, as 2975157025 + 551968036 = 54545^2 + 23494^2 .

It is a cyclic number.

It is not a de Polignac number, because 3527125061 - 2² = 3527125057 is a prime.

It is a super-2 number, since 2×3527125061² = 24881222391868507442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3527125067) 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, 16586 + ... + 85611.

It is an arithmetic number, because the mean of its divisors is an integer number (881815443).

Almost surely, 2^3527125061 is an apocalyptic number.

It is an amenable number.

3527125061 is a deficient number, since it is larger than the sum of its proper divisors (136711).

3527125061 is a wasteful number, since it uses less digits than its factorization.

3527125061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136710.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 3527125061 is about 59389.6039808315. The cubic root of 3527125061 is about 1522.2066663635.

The spelling of 3527125061 in words is "three billion, five hundred twenty-seven million, one hundred twenty-five thousand, sixty-one".