1353421051 has 4 divisors (see below), whose sum is σ = 1433034072. Its totient is φ = 1273808032.

The previous prime is 1353421049. The next prime is 1353421067. The reversal of 1353421051 is 1501243531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1501243531 = 17 ⋅88308443.

It is a cyclic number.

It is not a de Polignac number, because 1353421051 - 2¹ = 1353421049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353421081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39806485 + ... + 39806518.

It is an arithmetic number, because the mean of its divisors is an integer number (358258518).

Almost surely, 2^1353421051 is an apocalyptic number.

1353421051 is a deficient number, since it is larger than the sum of its proper divisors (79613021).

1353421051 is an equidigital number, since it uses as much as digits as its factorization.

1353421051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79613020.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1353421051 is about 36788.8712928244. The cubic root of 1353421051 is about 1106.1422368945.

Adding to 1353421051 its reverse (1501243531), we get a palindrome (2854664582).

The spelling of 1353421051 in words is "one billion, three hundred fifty-three million, four hundred twenty-one thousand, fifty-one".