3537145 has 4 divisors (see below), whose sum is σ = 4244580. Its totient is φ = 2829712.

The previous prime is 3537119. The next prime is 3537151. The reversal of 3537145 is 5417353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5417353 = 97 ⋅55849.

It can be written as a sum of positive squares in 2 ways, for example, as 1607824 + 1929321 = 1268^2 + 1389^2 .

It is a cyclic number.

It is not a de Polignac number, because 3537145 - 2⁵ = 3537113 is a prime.

It is a super-2 number, since 2×3537145² = 25022789502050, which contains 22 as substring.

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, 353710 + ... + 353719.

It is an arithmetic number, because the mean of its divisors is an integer number (1061145).

Almost surely, 2^3537145 is an apocalyptic number.

It is an amenable number.

3537145 is a deficient number, since it is larger than the sum of its proper divisors (707435).

3537145 is an equidigital number, since it uses as much as digits as its factorization.

3537145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707434.

The product of its digits is 6300, while the sum is 28.

The square root of 3537145 is about 1880.7299114971. The cubic root of 3537145 is about 152.3646743602.

The spelling of 3537145 in words is "three million, five hundred thirty-seven thousand, one hundred forty-five".