1530235641 has 16 divisors (see below), whose sum is σ = 2226585600. Its totient is φ = 927087120.

The previous prime is 1530235639. The next prime is 1530235669. The reversal of 1530235641 is 1465320351.

It is not a de Polignac number, because 1530235641 - 2¹ = 1530235639 is a prime.

It is a super-2 number, since 2×1530235641² = 4683242233973361762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1530235599 and 1530235608.

It is not an unprimeable number, because it can be changed into a prime (1530235601) 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, 113160 + ... + 125958.

It is an arithmetic number, because the mean of its divisors is an integer number (139161600).

Almost surely, 2^1530235641 is an apocalyptic number.

1530235641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1530235641 is a deficient number, since it is larger than the sum of its proper divisors (696349959).

1530235641 is a wasteful number, since it uses less digits than its factorization.

1530235641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16436.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1530235641 is about 39118.2264551960. The cubic root of 1530235641 is about 1152.3545059077.

Adding to 1530235641 its reverse (1465320351), we get a palindrome (2995555992).

The spelling of 1530235641 in words is "one billion, five hundred thirty million, two hundred thirty-five thousand, six hundred forty-one".