7461561 has 8 divisors (see below), whose sum is σ = 9962080. Its totient is φ = 4967712.

The previous prime is 7461557. The next prime is 7461563. The reversal of 7461561 is 1651647.

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

It is not a de Polignac number, because 7461561 - 2² = 7461557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7461563) 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, 2286 + ... + 4488.

It is an arithmetic number, because the mean of its divisors is an integer number (1245260).

Almost surely, 2^7461561 is an apocalyptic number.

It is an amenable number.

7461561 is a deficient number, since it is larger than the sum of its proper divisors (2500519).

7461561 is a wasteful number, since it uses less digits than its factorization.

7461561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335.

The product of its digits is 5040, while the sum is 30.

The square root of 7461561 is about 2731.5858031554. The cubic root of 7461561 is about 195.4084011296.

The spelling of 7461561 in words is "seven million, four hundred sixty-one thousand, five hundred sixty-one".