1254052213 has 4 divisors (see below), whose sum is σ = 1274610508. Its totient is φ = 1233493920.

The previous prime is 1254052201. The next prime is 1254052223. The reversal of 1254052213 is 3122504521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 333354564 + 920697649 = 18258^2 + 30343^2 .

It is a cyclic number.

It is not a de Polignac number, because 1254052213 - 2²⁹ = 717181301 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 (1254052223) 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, 10279056 + ... + 10279177.

It is an arithmetic number, because the mean of its divisors is an integer number (318652627).

Almost surely, 2^1254052213 is an apocalyptic number.

It is an amenable number.

1254052213 is a deficient number, since it is larger than the sum of its proper divisors (20558295).

1254052213 is an equidigital number, since it uses as much as digits as its factorization.

1254052213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20558294.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1254052213 is about 35412.5996362876. The cubic root of 1254052213 is about 1078.3801198711.

Adding to 1254052213 its reverse (3122504521), we get a palindrome (4376556734).

The spelling of 1254052213 in words is "one billion, two hundred fifty-four million, fifty-two thousand, two hundred thirteen".