3540761 has 4 divisors (see below), whose sum is σ = 4046592. Its totient is φ = 3034932.

The previous prime is 3540721. The next prime is 3540763. The reversal of 3540761 is 1670453.

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: 1670453 = 773 ⋅2161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3540761 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 3540761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540763) 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, 252905 + ... + 252918.

It is an arithmetic number, because the mean of its divisors is an integer number (1011648).

Almost surely, 2^3540761 is an apocalyptic number.

It is an amenable number.

3540761 is a deficient number, since it is larger than the sum of its proper divisors (505831).

3540761 is an equidigital number, since it uses as much as digits as its factorization.

3540761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505830.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 3540761 is about 1881.6909948235. The cubic root of 3540761 is about 152.4165771447.

The spelling of 3540761 in words is "three million, five hundred forty thousand, seven hundred sixty-one".