1252305441 has 40 divisors (see below), whose sum is σ = 1928070144. Its totient is φ = 809442720.

The previous prime is 1252305433. The next prime is 1252305487. The reversal of 1252305441 is 1445032521.

It is not a de Polignac number, because 1252305441 - 2³ = 1252305433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1252305421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1147306 + ... + 1148396.

Almost surely, 2^1252305441 is an apocalyptic number.

It is an amenable number.

1252305441 is a deficient number, since it is larger than the sum of its proper divisors (675764703).

1252305441 is a wasteful number, since it uses less digits than its factorization.

1252305441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1252305441 is about 35387.9278992144. The cubic root of 1252305441 is about 1077.8791945634.

Adding to 1252305441 its reverse (1445032521), we get a palindrome (2697337962).

The spelling of 1252305441 in words is "one billion, two hundred fifty-two million, three hundred five thousand, four hundred forty-one".