34130621 has 4 divisors (see below), whose sum is σ = 39006432. Its totient is φ = 29254812.

The previous prime is 34130617. The next prime is 34130653. The reversal of 34130621 is 12603143.

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 34130621 - 2² = 34130617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34130593 and 34130602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34130221) 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, 2437895 + ... + 2437908.

It is an arithmetic number, because the mean of its divisors is an integer number (9751608).

Almost surely, 2^34130621 is an apocalyptic number.

It is an amenable number.

34130621 is a deficient number, since it is larger than the sum of its proper divisors (4875811).

34130621 is an equidigital number, since it uses as much as digits as its factorization.

34130621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875810.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 34130621 is about 5842.1418161493. The cubic root of 34130621 is about 324.3755140367.

Adding to 34130621 its reverse (12603143), we get a palindrome (46733764).

The spelling of 34130621 in words is "thirty-four million, one hundred thirty thousand, six hundred twenty-one".