1254705313 has 4 divisors (see below), whose sum is σ = 1254797488. Its totient is φ = 1254613140.

The previous prime is 1254705311. The next prime is 1254705317. The reversal of 1254705313 is 3135074521.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1254705313 - 2¹ = 1254705311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254705311) 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, 21183 + ... + 54388.

It is an arithmetic number, because the mean of its divisors is an integer number (313699372).

Almost surely, 2^1254705313 is an apocalyptic number.

It is an amenable number.

1254705313 is a deficient number, since it is larger than the sum of its proper divisors (92175).

1254705313 is an equidigital number, since it uses as much as digits as its factorization.

1254705313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92174.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1254705313 is about 35421.8197302171. The cubic root of 1254705313 is about 1078.5672911923.

Adding to 1254705313 its reverse (3135074521), we get a palindrome (4389779834).

The spelling of 1254705313 in words is "one billion, two hundred fifty-four million, seven hundred five thousand, three hundred thirteen".