7061551 has 4 divisors (see below), whose sum is σ = 8070352. Its totient is φ = 6052752.

The previous prime is 7061513. The next prime is 7061563. The reversal of 7061551 is 1551607.

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 7061551 - 2⁹ = 7061039 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7061501) 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, 504390 + ... + 504403.

It is an arithmetic number, because the mean of its divisors is an integer number (2017588).

Almost surely, 2^7061551 is an apocalyptic number.

7061551 is a deficient number, since it is larger than the sum of its proper divisors (1008801).

7061551 is a wasteful number, since it uses less digits than its factorization.

7061551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008800.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 7061551 is about 2657.3578983645. The cubic root of 7061551 is about 191.8521630345.

The spelling of 7061551 in words is "seven million, sixty-one thousand, five hundred fifty-one".