33490501 has 6 divisors (see below), whose sum is σ = 36812006. Its totient is φ = 30445800.

The previous prime is 33490477. The next prime is 33490519. The reversal of 33490501 is 10509433.

It can be written as a sum of positive squares in only one way, i.e., 33350625 + 139876 = 5775^2 + 374^2 .

It is not a de Polignac number, because 33490501 - 2¹⁵ = 33457733 is a prime.

It is a super-2 number, since 2×33490501² = 2243227314462002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33490201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138270 + ... + 138511.

Almost surely, 2^33490501 is an apocalyptic number.

It is an amenable number.

33490501 is a deficient number, since it is larger than the sum of its proper divisors (3321505).

33490501 is a wasteful number, since it uses less digits than its factorization.

33490501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276803 (or 276792 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 33490501 is about 5787.0978045995. The cubic root of 33490501 is about 322.3348143501.

Adding to 33490501 its reverse (10509433), we get a palindrome (43999934).

The spelling of 33490501 in words is "thirty-three million, four hundred ninety thousand, five hundred one".