2851497 has 16 divisors (see below), whose sum is σ = 4608960. Its totient is φ = 1728000.

The previous prime is 2851481. The next prime is 2851523. The reversal of 2851497 is 7941582.

It is not a de Polignac number, because 2851497 - 2⁴ = 2851481 is a prime.

It is an Ulam number.

2851497 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4504 + ... + 5097.

It is an arithmetic number, because the mean of its divisors is an integer number (288060).

2^2851497 is an apocalyptic number.

2851497 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2851497 is a deficient number, since it is larger than the sum of its proper divisors (1757463).

2851497 is a wasteful number, since it uses less digits than its factorization.

2851497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9621 (or 9615 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2851497 is about 1688.6376165418. The cubic root of 2851497 is about 141.8048134924.

It can be divided in two parts, 285149 and 7, that added together give a square (285156 = 534²).

The spelling of 2851497 in words is "two million, eight hundred fifty-one thousand, four hundred ninety-seven".