34201421 has 4 divisors (see below), whose sum is σ = 35035644. Its totient is φ = 33367200.

The previous prime is 34201417. The next prime is 34201487. The reversal of 34201421 is 12410243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12410243 = 83 ⋅149521.

It can be written as a sum of positive squares in 2 ways, for example, as 688900 + 33512521 = 830^2 + 5789^2 .

It is a cyclic number.

It is not a de Polignac number, because 34201421 - 2² = 34201417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34201421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34207421) 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, 417050 + ... + 417131.

It is an arithmetic number, because the mean of its divisors is an integer number (8758911).

Almost surely, 2^34201421 is an apocalyptic number.

It is an amenable number.

34201421 is a deficient number, since it is larger than the sum of its proper divisors (834223).

34201421 is an equidigital number, since it uses as much as digits as its factorization.

34201421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834222.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 34201421 is about 5848.1980985599. The cubic root of 34201421 is about 324.5996522060.

Adding to 34201421 its reverse (12410243), we get a palindrome (46611664).

The spelling of 34201421 in words is "thirty-four million, two hundred one thousand, four hundred twenty-one".