7965531 has 24 divisors (see below), whose sum is σ = 13378560. Its totient is φ = 4472496.

The previous prime is 7965527. The next prime is 7965547. The reversal of 7965531 is 1355697.

It is a happy number.

It is not a de Polignac number, because 7965531 - 2² = 7965527 is a prime.

It is a super-2 number, since 2×7965531² = 126899368223922, which contains 22 as substring.

7965531 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7965131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2646 + ... + 4788.

It is an arithmetic number, because the mean of its divisors is an integer number (557440).

Almost surely, 2^7965531 is an apocalyptic number.

7965531 is a deficient number, since it is larger than the sum of its proper divisors (5413029).

7965531 is a wasteful number, since it uses less digits than its factorization.

7965531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215 (or 2212 counting only the distinct ones).

The product of its digits is 28350, while the sum is 36.

The square root of 7965531 is about 2822.3272312048. The cubic root of 7965531 is about 199.7123448041.

The spelling of 7965531 in words is "seven million, nine hundred sixty-five thousand, five hundred thirty-one".