34521253 has 4 divisors (see below), whose sum is σ = 37176748. Its totient is φ = 31865760.

The previous prime is 34521247. The next prime is 34521257. The reversal of 34521253 is 35212543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35212543 = 1151 ⋅30593.

It can be written as a sum of positive squares in 2 ways, for example, as 17489124 + 17032129 = 4182^2 + 4127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34521253 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 (34521257) 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, 1327728 + ... + 1327753.

It is an arithmetic number, because the mean of its divisors is an integer number (9294187).

Almost surely, 2^34521253 is an apocalyptic number.

It is an amenable number.

34521253 is a deficient number, since it is larger than the sum of its proper divisors (2655495).

34521253 is a wasteful number, since it uses less digits than its factorization.

34521253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655494.

The product of its digits is 3600, while the sum is 25.

The square root of 34521253 is about 5875.4789591998. The cubic root of 34521253 is about 325.6083375217.

Adding to 34521253 its reverse (35212543), we get a palindrome (69733796).

The spelling of 34521253 in words is "thirty-four million, five hundred twenty-one thousand, two hundred fifty-three".