2531697 has 8 divisors (see below), whose sum is σ = 3857856. Its totient is φ = 1446672.

The previous prime is 2531689. The next prime is 2531699. The reversal of 2531697 is 7961352.

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

It is not a de Polignac number, because 2531697 - 2³ = 2531689 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 5⁹ + 3 + 1 + 6⁶ + 9⁶ + 7³ .

It is not an unprimeable number, because it can be changed into a prime (2531699) 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, 60258 + ... + 60299.

It is an arithmetic number, because the mean of its divisors is an integer number (482232).

2^2531697 is an apocalyptic number.

It is an amenable number.

2531697 is a deficient number, since it is larger than the sum of its proper divisors (1326159).

2531697 is a wasteful number, since it uses less digits than its factorization.

2531697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120567.

The product of its digits is 11340, while the sum is 33.

The square root of 2531697 is about 1591.1307300156. The cubic root of 2531697 is about 136.2920662411.

The spelling of 2531697 in words is "two million, five hundred thirty-one thousand, six hundred ninety-seven".