1355420651 has 16 divisors (see below), whose sum is σ = 1537821600. Its totient is φ = 1184295168.

The previous prime is 1355420623. The next prime is 1355420701. The reversal of 1355420651 is 1560245531.

It is a cyclic number.

It is not a de Polignac number, because 1355420651 - 2¹⁸ = 1355158507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355420611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566165 + ... + 568553.

It is an arithmetic number, because the mean of its divisors is an integer number (96113850).

Almost surely, 2^1355420651 is an apocalyptic number.

1355420651 is a deficient number, since it is larger than the sum of its proper divisors (182400949).

1355420651 is a wasteful number, since it uses less digits than its factorization.

1355420651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 1355420651 is about 36816.0379590200. The cubic root of 1355420651 is about 1106.6867221995.

The spelling of 1355420651 in words is "one billion, three hundred fifty-five million, four hundred twenty thousand, six hundred fifty-one".