2135497 has 16 divisors (see below), whose sum is σ = 2716672. Its totient is φ = 1632960.

The previous prime is 2135479. The next prime is 2135503. The reversal of 2135497 is 7945312.

It is not a de Polignac number, because 2135497 - 2⁷ = 2135369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a d-powerful number, because it can be written as 2¹⁹ + 1 + 3¹³ + 5 + 4³ + 9 + 7⁵ .

2135497 is a lucky number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2135407) 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, 2443 + ... + 3199.

It is an arithmetic number, because the mean of its divisors is an integer number (169792).

2^2135497 is an apocalyptic number.

It is an amenable number.

2135497 is a deficient number, since it is larger than the sum of its proper divisors (581175).

2135497 is a wasteful number, since it uses less digits than its factorization.

2135497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808.

The product of its digits is 7560, while the sum is 31.

The square root of 2135497 is about 1461.3339796227. Note that the first 3 decimals coincide. The cubic root of 2135497 is about 128.7754240175.

The spelling of 2135497 in words is "two million, one hundred thirty-five thousand, four hundred ninety-seven".