1350521641 has 8 divisors (see below), whose sum is σ = 1576293120. Its totient is φ = 1132960128.

The previous prime is 1350521629. The next prime is 1350521651. The reversal of 1350521641 is 1461250531.

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 1350521641 - 2⁵ = 1350521609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1350521611) 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, 2052136 + ... + 2052793.

It is an arithmetic number, because the mean of its divisors is an integer number (197036640).

Almost surely, 2^1350521641 is an apocalyptic number.

It is an amenable number.

1350521641 is a deficient number, since it is larger than the sum of its proper divisors (225771479).

1350521641 is an equidigital number, since it uses as much as digits as its factorization.

1350521641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104983.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1350521641 is about 36749.4440910335. Note that the first 3 decimals coincide. The cubic root of 1350521641 is about 1105.3517825112.

The spelling of 1350521641 in words is "one billion, three hundred fifty million, five hundred twenty-one thousand, six hundred forty-one".