1254550213 has 4 divisors (see below), whose sum is σ = 1433771680. Its totient is φ = 1075328748.

The previous prime is 1254550211. The next prime is 1254550243. The reversal of 1254550213 is 3120554521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3120554521 = 7 ⋅445793503.

It is a cyclic number.

It is not a de Polignac number, because 1254550213 - 2¹ = 1254550211 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 (1254550211) 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, 89610723 + ... + 89610736.

It is an arithmetic number, because the mean of its divisors is an integer number (358442920).

Almost surely, 2^1254550213 is an apocalyptic number.

It is an amenable number.

1254550213 is a deficient number, since it is larger than the sum of its proper divisors (179221467).

1254550213 is an equidigital number, since it uses as much as digits as its factorization.

1254550213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179221466.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1254550213 is about 35419.6303340393. The cubic root of 1254550213 is about 1078.5228471096.

The spelling of 1254550213 in words is "one billion, two hundred fifty-four million, five hundred fifty thousand, two hundred thirteen".