39480313 has 2 divisors, whose sum is σ = 39480314. Its totient is φ = 39480312.

The previous prime is 39480299. The next prime is 39480317. The reversal of 39480313 is 31308493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36336784 + 3143529 = 6028^2 + 1773^2 .

It is an emirp because it is prime and its reverse (31308493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39480313 - 2²¹ = 37383161 is a prime.

It is a super-2 number, since 2×39480313² = 3117390229155938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39480317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19740156 + 19740157.

It is an arithmetic number, because the mean of its divisors is an integer number (19740157).

Almost surely, 2^39480313 is an apocalyptic number.

It is an amenable number.

39480313 is a deficient number, since it is larger than the sum of its proper divisors (1).

39480313 is an equidigital number, since it uses as much as digits as its factorization.

39480313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 39480313 is about 6283.3361361621. The cubic root of 39480313 is about 340.5076413364.

It can be divided in two parts, 39480 and 313, that added together give a palindrome (39793).

The spelling of 39480313 in words is "thirty-nine million, four hundred eighty thousand, three hundred thirteen".