354020533 has 4 divisors (see below), whose sum is σ = 354402540. Its totient is φ = 353638528.

The previous prime is 354020503. The next prime is 354020543. The reversal of 354020533 is 335020453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335020453 = 83 ⋅4036391.

It can be written as a sum of positive squares in 2 ways, for example, as 2007889 + 352012644 = 1417^2 + 18762^2 .

It is a cyclic number.

It is not a de Polignac number, because 354020533 - 2²⁵ = 320466101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 354020498 and 354020507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354020503) 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, 189610 + ... + 191467.

It is an arithmetic number, because the mean of its divisors is an integer number (88600635).

Almost surely, 2^354020533 is an apocalyptic number.

It is an amenable number.

354020533 is a deficient number, since it is larger than the sum of its proper divisors (382007).

354020533 is an equidigital number, since it uses as much as digits as its factorization.

354020533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382006.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 354020533 is about 18815.4333726332. The cubic root of 354020533 is about 707.4180723972.

Adding to 354020533 its reverse (335020453), we get a palindrome (689040986).

The spelling of 354020533 in words is "three hundred fifty-four million, twenty thousand, five hundred thirty-three".