306725413 has 4 divisors (see below), whose sum is σ = 308607328. Its totient is φ = 304843500.

The previous prime is 306725381. The next prime is 306725437. The reversal of 306725413 is 314527603.

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: 314527603 = 13 ⋅24194431.

It is a cyclic number.

It is not a de Polignac number, because 306725413 - 2⁵ = 306725381 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 (306725473) 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, 940713 + ... + 941038.

It is an arithmetic number, because the mean of its divisors is an integer number (77151832).

Almost surely, 2^306725413 is an apocalyptic number.

It is an amenable number.

306725413 is a deficient number, since it is larger than the sum of its proper divisors (1881915).

306725413 is a wasteful number, since it uses less digits than its factorization.

306725413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881914.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 306725413 is about 17513.5779611135. The cubic root of 306725413 is about 674.3984859873.

The spelling of 306725413 in words is "three hundred six million, seven hundred twenty-five thousand, four hundred thirteen".