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7961413 is a prime number
BaseRepresentation
bin11110010111101101000101
3112222111000011
4132113231011
54014231123
6442350221
7124446055
oct36275505
915874004
107961413
114548589
1227bb371
1318599c5
1410b3565
15a73e0d
hex797b45

7961413 has 2 divisors, whose sum is σ = 7961414. Its totient is φ = 7961412.

The previous prime is 7961411. The next prime is 7961417. The reversal of 7961413 is 3141697.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4870849 + 3090564 = 2207^2 + 1758^2 .

It is a cyclic number.

It is not a de Polignac number, because 7961413 - 21 = 7961411 is a prime.

Together with 7961411, it forms a pair of twin primes.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7961411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3980706 + 3980707.

It is an arithmetic number, because the mean of its divisors is an integer number (3980707).

Almost surely, 27961413 is an apocalyptic number.

It is an amenable number.

7961413 is a deficient number, since it is larger than the sum of its proper divisors (1).

7961413 is an equidigital number, since it uses as much as digits as its factorization.

7961413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 7961413 is about 2821.5975971070. The cubic root of 7961413 is about 199.6779232780.

It can be divided in two parts, 796 and 1413, that added together give a square (2209 = 472).

The spelling of 7961413 in words is "seven million, nine hundred sixty-one thousand, four hundred thirteen".