35040421 has 8 divisors (see below), whose sum is σ = 37782360. Its totient is φ = 32305152.

The previous prime is 35040403. The next prime is 35040433. The reversal of 35040421 is 12404053.

It can be written as a sum of positive squares in 4 ways, for example, as 171396 + 34869025 = 414^2 + 5905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 35040421 - 2⁹ = 35039909 is a prime.

It is a super-2 number, since 2×35040421² = 2455662207714482, 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 (35040461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17361 + ... + 19273.

It is an arithmetic number, because the mean of its divisors is an integer number (4722795).

Almost surely, 2^35040421 is an apocalyptic number.

It is an amenable number.

35040421 is a deficient number, since it is larger than the sum of its proper divisors (2741939).

35040421 is a wasteful number, since it uses less digits than its factorization.

35040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 35040421 is about 5919.4949953522. The cubic root of 35040421 is about 327.2325061659.

Adding to 35040421 its reverse (12404053), we get a palindrome (47444474).

The spelling of 35040421 in words is "thirty-five million, forty thousand, four hundred twenty-one".