2097451 has 2 divisors, whose sum is σ = 2097452. Its totient is φ = 2097450.

The previous prime is 2097449. The next prime is 2097461. The reversal of 2097451 is 1547902.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2097451 - 2¹ = 2097449 is a prime.

Together with 2097449, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2097401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048725 + 1048726.

It is an arithmetic number, because the mean of its divisors is an integer number (1048726).

2^2097451 is an apocalyptic number.

2097451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097451 is an equidigital number, since it uses as much as digits as its factorization.

2097451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2097451 is about 1448.2579190186. The cubic root of 2097451 is about 128.0060828815.

It can be divided in two parts, 20974 and 51, that added together give a square (21025 = 145²).

The spelling of 2097451 in words is "two million, ninety-seven thousand, four hundred fifty-one".