3421240253 has 2 divisors, whose sum is σ = 3421240254. Its totient is φ = 3421240252.

The previous prime is 3421240241. The next prime is 3421240267. The reversal of 3421240253 is 3520421243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3215116804 + 206123449 = 56702^2 + 14357^2 .

It is an emirp because it is prime and its reverse (3520421243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3421240253 - 2²² = 3417045949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3421249253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710620126 + 1710620127.

It is an arithmetic number, because the mean of its divisors is an integer number (1710620127).

Almost surely, 2^3421240253 is an apocalyptic number.

It is an amenable number.

3421240253 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421240253 is an equidigital number, since it uses as much as digits as its factorization.

3421240253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 3421240253 is about 58491.3690470654. The cubic root of 3421240253 is about 1506.8193584374.

Adding to 3421240253 its reverse (3520421243), we get a palindrome (6941661496).

The spelling of 3421240253 in words is "three billion, four hundred twenty-one million, two hundred forty thousand, two hundred fifty-three".