2102351 has 4 divisors (see below), whose sum is σ = 2142072. Its totient is φ = 2062632.

The previous prime is 2102341. The next prime is 2102383. The reversal of 2102351 is 1532012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102351 - 2¹⁰ = 2101327 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 (2102311) 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, 19781 + ... + 19886.

It is an arithmetic number, because the mean of its divisors is an integer number (535518).

2^2102351 is an apocalyptic number.

2102351 is a deficient number, since it is larger than the sum of its proper divisors (39721).

2102351 is an equidigital number, since it uses as much as digits as its factorization.

2102351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39720.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2102351 is about 1449.9486197793. The cubic root of 2102351 is about 128.1056866388.

Adding to 2102351 its reverse (1532012), we get a palindrome (3634363).

The spelling of 2102351 in words is "two million, one hundred two thousand, three hundred fifty-one".