3545431 has 4 divisors (see below), whose sum is σ = 3555072. Its totient is φ = 3535792.

The previous prime is 3545429. The next prime is 3545461. The reversal of 3545431 is 1345453.

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

It is a cyclic number.

It is not a de Polignac number, because 3545431 - 2¹ = 3545429 is a prime.

It is a super-2 number, since 2×3545431² = 25140161951522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3545396 and 3545405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545411) 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, 4246 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (888768).

Almost surely, 2^3545431 is an apocalyptic number.

3545431 is a deficient number, since it is larger than the sum of its proper divisors (9641).

3545431 is an equidigital number, since it uses as much as digits as its factorization.

3545431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9640.

The product of its digits is 3600, while the sum is 25.

The square root of 3545431 is about 1882.9314910532. The cubic root of 3545431 is about 152.4835564103.

The spelling of 3545431 in words is "three million, five hundred forty-five thousand, four hundred thirty-one".