1305250214 has 4 divisors (see below), whose sum is σ = 1957875324. Its totient is φ = 652625106.

The previous prime is 1305250117. The next prime is 1305250223. The reversal of 1305250214 is 4120525031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4120525031 = 7 ⋅588646433.

It is a super-2 number, since 2×1305250214² = 3407356242294091592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1305250214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326312552 + ... + 326312555.

It is an arithmetic number, because the mean of its divisors is an integer number (489468831).

Almost surely, 2^1305250214 is an apocalyptic number.

1305250214 is a deficient number, since it is larger than the sum of its proper divisors (652625110).

1305250214 is an equidigital number, since it uses as much as digits as its factorization.

1305250214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652625109.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1305250214 is about 36128.2467606719. The cubic root of 1305250214 is about 1092.8601521937.

Adding to 1305250214 its reverse (4120525031), we get a palindrome (5425775245).

The spelling of 1305250214 in words is "one billion, three hundred five million, two hundred fifty thousand, two hundred fourteen".