1063651 has 6 divisors (see below), whose sum is σ = 1083956. Its totient is φ = 1043700.

The previous prime is 1063649. The next prime is 1063661. The reversal of 1063651 is 1563601.

It is not a de Polignac number, because 1063651 - 2¹ = 1063649 is a prime.

It is a super-2 number, since 2×1063651² = 2262706899602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1063661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4936 + ... + 5146.

2^1063651 is an apocalyptic number.

1063651 is a deficient number, since it is larger than the sum of its proper divisors (20305).

1063651 is an frugal number, since it uses more digits than its factorization.

1063651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1063651 is about 1031.3345722897. The cubic root of 1063651 is about 102.0782111919.

The spelling of 1063651 in words is "one million, sixty-three thousand, six hundred fifty-one".