34253021 has 8 divisors (see below), whose sum is σ = 37818144. Its totient is φ = 30763120.

The previous prime is 34252993. The next prime is 34253041. The reversal of 34253021 is 12035243.

It is a happy number.

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

It is not a de Polignac number, because 34253021 - 2¹⁴ = 34236637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34252984 and 34253002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34253041) 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, 17846 + ... + 19671.

It is an arithmetic number, because the mean of its divisors is an integer number (4727268).

Almost surely, 2^34253021 is an apocalyptic number.

It is an amenable number.

34253021 is a deficient number, since it is larger than the sum of its proper divisors (3565123).

34253021 is a wasteful number, since it uses less digits than its factorization.

34253021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37611.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 34253021 is about 5852.6080511170. The cubic root of 34253021 is about 324.7628123450.

Adding to 34253021 its reverse (12035243), we get a palindrome (46288264).

It can be divided in two parts, 3425 and 3021, that added together give a palindrome (6446).

The spelling of 34253021 in words is "thirty-four million, two hundred fifty-three thousand, twenty-one".