32121253 has 2 divisors, whose sum is σ = 32121254. Its totient is φ = 32121252.

The previous prime is 32121161. The next prime is 32121307. The reversal of 32121253 is 35212123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29615364 + 2505889 = 5442^2 + 1583^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121253 - 2¹³ = 32113061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32121253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32121553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060626 + 16060627.

It is an arithmetic number, because the mean of its divisors is an integer number (16060627).

Almost surely, 2^32121253 is an apocalyptic number.

It is an amenable number.

32121253 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121253 is an equidigital number, since it uses as much as digits as its factorization.

32121253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 19.

The square root of 32121253 is about 5667.5614685683. The cubic root of 32121253 is about 317.8806990219.

Adding to 32121253 its reverse (35212123), we get a palindrome (67333376).

It can be divided in two parts, 3212 and 1253, that added together give a triangular number (4465 = T₉₄).

The spelling of 32121253 in words is "thirty-two million, one hundred twenty-one thousand, two hundred fifty-three".