1355564651 has 8 divisors (see below), whose sum is σ = 1553007840. Its totient is φ = 1159069248.

The previous prime is 1355564579. The next prime is 1355564663. The reversal of 1355564651 is 1564655531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355564651 - 2¹⁴ = 1355548267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1355564599 and 1355564608.

It is not an unprimeable number, because it can be changed into a prime (1355560651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233876 + ... + 239601.

It is an arithmetic number, because the mean of its divisors is an integer number (194125980).

Almost surely, 2^1355564651 is an apocalyptic number.

1355564651 is a deficient number, since it is larger than the sum of its proper divisors (197443189).

1355564651 is an equidigital number, since it uses as much as digits as its factorization.

1355564651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473893.

The product of its digits is 270000, while the sum is 41.

The square root of 1355564651 is about 36817.9935765109. The cubic root of 1355564651 is about 1106.7259123074.

The spelling of 1355564651 in words is "one billion, three hundred fifty-five million, five hundred sixty-four thousand, six hundred fifty-one".