7661051 has 4 divisors (see below), whose sum is σ = 7786704. Its totient is φ = 7535400.

The previous prime is 7661039. The next prime is 7661053. The reversal of 7661051 is 1501667.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7661051 - 2¹⁰ = 7660027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7661051.

It is not an unprimeable number, because it can be changed into a prime (7661053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62735 + ... + 62856.

It is an arithmetic number, because the mean of its divisors is an integer number (1946676).

Almost surely, 2^7661051 is an apocalyptic number.

7661051 is a deficient number, since it is larger than the sum of its proper divisors (125653).

7661051 is a wasteful number, since it uses less digits than its factorization.

7661051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125652.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 7661051 is about 2767.8603649751. The cubic root of 7661051 is about 197.1345675443.

The spelling of 7661051 in words is "seven million, six hundred sixty-one thousand, fifty-one".