7155061 has 2 divisors, whose sum is σ = 7155062. Its totient is φ = 7155060.

The previous prime is 7155059. The next prime is 7155067. The reversal of 7155061 is 1605517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3802500 + 3352561 = 1950^2 + 1831^2 .

It is a cyclic number.

It is not a de Polignac number, because 7155061 - 2¹ = 7155059 is a prime.

Together with 7155059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7155067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3577530 + 3577531.

It is an arithmetic number, because the mean of its divisors is an integer number (3577531).

Almost surely, 2^7155061 is an apocalyptic number.

It is an amenable number.

7155061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7155061 is an equidigital number, since it uses as much as digits as its factorization.

7155061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 7155061 is about 2674.8945773619. The cubic root of 7155061 is about 192.6952962621.

It can be divided in two parts, 715 and 5061, that added together give a square (5776 = 76²).

The spelling of 7155061 in words is "seven million, one hundred fifty-five thousand, sixty-one".