7662313 has 2 divisors, whose sum is σ = 7662314. Its totient is φ = 7662312.

The previous prime is 7662307. The next prime is 7662329. The reversal of 7662313 is 3132667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7139584 + 522729 = 2672^2 + 723^2 .

It is a cyclic number.

It is not a de Polignac number, because 7662313 - 2¹³ = 7654121 is a prime.

It is a super-2 number, since 2×7662313² = 117422081019938, which contains 22 as substring.

7662313 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7662353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831156 + 3831157.

It is an arithmetic number, because the mean of its divisors is an integer number (3831157).

Almost surely, 2^7662313 is an apocalyptic number.

It is an amenable number.

7662313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7662313 is an equidigital number, since it uses as much as digits as its factorization.

7662313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 28.

The square root of 7662313 is about 2768.0883295155. The cubic root of 7662313 is about 197.1453915668.

It can be divided in two parts, 76623 and 13, that added together give a triangular number (76636 = T₃₉₁).

The spelling of 7662313 in words is "seven million, six hundred sixty-two thousand, three hundred thirteen".