5977661 has 4 divisors (see below), whose sum is σ = 6023424. Its totient is φ = 5931900.

The previous prime is 5977651. The next prime is 5977663. The reversal of 5977661 is 1667795.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5977661 - 2¹⁰ = 5976637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5977663) 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, 22685 + ... + 22946.

It is an arithmetic number, because the mean of its divisors is an integer number (1505856).

Almost surely, 2^5977661 is an apocalyptic number.

It is an amenable number.

5977661 is a deficient number, since it is larger than the sum of its proper divisors (45763).

5977661 is a wasteful number, since it uses less digits than its factorization.

5977661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45762.

The product of its digits is 79380, while the sum is 41.

The square root of 5977661 is about 2444.9255612390. The cubic root of 5977661 is about 181.4862640658.

The spelling of 5977661 in words is "five million, nine hundred seventy-seven thousand, six hundred sixty-one".