33405053 has 4 divisors (see below), whose sum is σ = 36441888. Its totient is φ = 30368220.

The previous prime is 33405049. The next prime is 33405067. The reversal of 33405053 is 35050433.

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.

It is a cyclic number.

It is not a de Polignac number, because 33405053 - 2² = 33405049 is a prime.

It is a super-2 number, since 2×33405053² = 2231795131865618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33405083) 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, 1518401 + ... + 1518422.

It is an arithmetic number, because the mean of its divisors is an integer number (9110472).

Almost surely, 2^33405053 is an apocalyptic number.

It is an amenable number.

33405053 is a deficient number, since it is larger than the sum of its proper divisors (3036835).

33405053 is a wasteful number, since it uses less digits than its factorization.

33405053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036834.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 33405053 is about 5779.7104598760. The cubic root of 33405053 is about 322.0604447823.

Adding to 33405053 its reverse (35050433), we get a palindrome (68455486).

The spelling of 33405053 in words is "thirty-three million, four hundred five thousand, fifty-three".