3540088261 has 4 divisors (see below), whose sum is σ = 3662160300. Its totient is φ = 3418016224.

The previous prime is 3540088249. The next prime is 3540088271. The reversal of 3540088261 is 1628800453.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 847101025 + 2692987236 = 29105^2 + 51894^2 .

It is a cyclic number.

It is not a de Polignac number, because 3540088261 - 2¹³ = 3540080069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3540088261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540088231) 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, 61035976 + ... + 61036033.

It is an arithmetic number, because the mean of its divisors is an integer number (915540075).

Almost surely, 2^3540088261 is an apocalyptic number.

It is an amenable number.

3540088261 is a deficient number, since it is larger than the sum of its proper divisors (122072039).

3540088261 is a wasteful number, since it uses less digits than its factorization.

3540088261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122072038.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 3540088261 is about 59498.6408332157. The cubic root of 3540088261 is about 1524.0692356366.

The spelling of 3540088261 in words is "three billion, five hundred forty million, eighty-eight thousand, two hundred sixty-one".