3648451 has 2 divisors, whose sum is σ = 3648452. Its totient is φ = 3648450.

The previous prime is 3648439. The next prime is 3648479. The reversal of 3648451 is 1548463.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3648451 - 2⁵ = 3648419 is a prime.

It is a super-2 number, since 2×3648451² = 26622389398802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3640451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824225 + 1824226.

It is an arithmetic number, because the mean of its divisors is an integer number (1824226).

Almost surely, 2^3648451 is an apocalyptic number.

3648451 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648451 is an equidigital number, since it uses as much as digits as its factorization.

3648451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 3648451 is about 1910.0918826067. The cubic root of 3648451 is about 153.9463888274.

The spelling of 3648451 in words is "three million, six hundred forty-eight thousand, four hundred fifty-one".