1534260641 has 4 divisors (see below), whose sum is σ = 1542210372. Its totient is φ = 1526310912.

The previous prime is 1534260617. The next prime is 1534260643. The reversal of 1534260641 is 1460624351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 216207616 + 1318053025 = 14704^2 + 36305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1534260641 - 2⁶ = 1534260577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1534260598 and 1534260607.

It is not an unprimeable number, because it can be changed into a prime (1534260643) 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, 3974576 + ... + 3974961.

It is an arithmetic number, because the mean of its divisors is an integer number (385552593).

Almost surely, 2^1534260641 is an apocalyptic number.

It is an amenable number.

1534260641 is a deficient number, since it is larger than the sum of its proper divisors (7949731).

1534260641 is an equidigital number, since it uses as much as digits as its factorization.

1534260641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949730.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1534260641 is about 39169.6392758473. The cubic root of 1534260641 is about 1153.3639726918.

Adding to 1534260641 its reverse (1460624351), we get a palindrome (2994884992).

The spelling of 1534260641 in words is "one billion, five hundred thirty-four million, two hundred sixty thousand, six hundred forty-one".