1532265641 has 8 divisors (see below), whose sum is σ = 1639126440. Its totient is φ = 1427263488.

The previous prime is 1532265619. The next prime is 1532265643. The reversal of 1532265641 is 1465622351.

It can be written as a sum of positive squares in 4 ways, for example, as 665846416 + 866419225 = 25804^2 + 29435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1532265641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1532265643) 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, 462956 + ... + 466253.

It is an arithmetic number, because the mean of its divisors is an integer number (204890805).

Almost surely, 2^1532265641 is an apocalyptic number.

It is an amenable number.

1532265641 is a deficient number, since it is larger than the sum of its proper divisors (106860799).

1532265641 is an equidigital number, since it uses as much as digits as its factorization.

1532265641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929323.

The product of its digits is 43200, while the sum is 35.

The square root of 1532265641 is about 39144.1648397306. The cubic root of 1532265641 is about 1152.8638492450.

Adding to 1532265641 its reverse (1465622351), we get a palindrome (2997887992).

The spelling of 1532265641 in words is "one billion, five hundred thirty-two million, two hundred sixty-five thousand, six hundred forty-one".