35231421 has 8 divisors (see below), whose sum is σ = 47181280. Its totient is φ = 23384592.

The previous prime is 35231419. The next prime is 35231473. The reversal of 35231421 is 12413253.

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

It is not a de Polignac number, because 35231421 - 2¹ = 35231419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35231401) 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, 24955 + ... + 26328.

It is an arithmetic number, because the mean of its divisors is an integer number (5897660).

Almost surely, 2^35231421 is an apocalyptic number.

It is an amenable number.

35231421 is a deficient number, since it is larger than the sum of its proper divisors (11949859).

35231421 is a wasteful number, since it uses less digits than its factorization.

35231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51515.

The product of its digits is 720, while the sum is 21.

The square root of 35231421 is about 5935.6062032450. The cubic root of 35231421 is about 327.8259939880.

Adding to 35231421 its reverse (12413253), we get a palindrome (47644674).

The spelling of 35231421 in words is "thirty-five million, two hundred thirty-one thousand, four hundred twenty-one".