7755131 has 2 divisors, whose sum is σ = 7755132. Its totient is φ = 7755130.

The previous prime is 7755107. The next prime is 7755133. The reversal of 7755131 is 1315577.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7755131 - 2⁶ = 7755067 is a prime.

It is a super-2 number, since 2×7755131² = 120284113654322, which contains 22 as substring.

Together with 7755133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7755094 and 7755103.

It is not a weakly prime, because it can be changed into another prime (7755133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3877565 + 3877566.

It is an arithmetic number, because the mean of its divisors is an integer number (3877566).

Almost surely, 2^7755131 is an apocalyptic number.

7755131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7755131 is an equidigital number, since it uses as much as digits as its factorization.

7755131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3675, while the sum is 29.

The square root of 7755131 is about 2784.8035837380. The cubic root of 7755131 is about 197.9382438427.

The spelling of 7755131 in words is "seven million, seven hundred fifty-five thousand, one hundred thirty-one".