2077531 has 8 divisors (see below), whose sum is σ = 2181600. Its totient is φ = 1975680.

The previous prime is 2077499. The next prime is 2077549. The reversal of 2077531 is 1357702.

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

It is a 7-Lehmer number, since φ(2077531) divides (2077531-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 2077531 - 2⁵ = 2077499 is a prime.

It is a super-2 number, since 2×2077531² = 8632270111922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2077496 and 2077505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2077561) 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, 1555 + ... + 2563.

It is an arithmetic number, because the mean of its divisors is an integer number (272700).

2^2077531 is an apocalyptic number.

2077531 is a deficient number, since it is larger than the sum of its proper divisors (104069).

2077531 is a wasteful number, since it uses less digits than its factorization.

2077531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 2077531 is about 1441.3642842807. The cubic root of 2077531 is about 127.5995582772.

The spelling of 2077531 in words is "two million, seventy-seven thousand, five hundred thirty-one".