7161530 has 16 divisors (see below), whose sum is σ = 12994560. Its totient is φ = 2841552.

The previous prime is 7161509. The next prime is 7161547. The reversal of 7161530 is 351617.

It is a junction number, because it is equal to n+sod(n) for n = 7161496 and 7161505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1550 + ... + 4089.

It is an arithmetic number, because the mean of its divisors is an integer number (812160).

Almost surely, 2^7161530 is an apocalyptic number.

7161530 is a deficient number, since it is larger than the sum of its proper divisors (5833030).

7161530 is a wasteful number, since it uses less digits than its factorization.

7161530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 7161530 is about 2676.1035107036. The cubic root of 7161530 is about 192.7533516901.

The spelling of 7161530 in words is "seven million, one hundred sixty-one thousand, five hundred thirty".