7531961 has 8 divisors (see below), whose sum is σ = 7957920. Its totient is φ = 7108992.

The previous prime is 7531957. The next prime is 7531991. The reversal of 7531961 is 1691357.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7531961 - 2² = 7531957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7531991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6146 + ... + 7268.

It is an arithmetic number, because the mean of its divisors is an integer number (994740).

Almost surely, 2^7531961 is an apocalyptic number.

It is an amenable number.

7531961 is a deficient number, since it is larger than the sum of its proper divisors (425959).

7531961 is a wasteful number, since it uses less digits than its factorization.

7531961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495.

The product of its digits is 5670, while the sum is 32.

The square root of 7531961 is about 2744.4418376056. The cubic root of 7531961 is about 196.0210393214.

The spelling of 7531961 in words is "seven million, five hundred thirty-one thousand, nine hundred sixty-one".