1041645501 has 28 divisors (see below), whose sum is σ = 1681904028. Its totient is φ = 641006784.

The previous prime is 1041645499. The next prime is 1041645559. The reversal of 1041645501 is 1055461401.

1041645501 is a `hidden beast` number, since 10 + 4 + 1 + 645 + 5 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 230250276 + 811395225 = 15174^2 + 28485^2 .

It is not a de Polignac number, because 1041645501 - 2¹ = 1041645499 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041645581) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 45480 + ... + 64433.

It is an arithmetic number, because the mean of its divisors is an integer number (60068001).

Almost surely, 2^1041645501 is an apocalyptic number.

It is an amenable number.

1041645501 is a deficient number, since it is larger than the sum of its proper divisors (640258527).

1041645501 is an equidigital number, since it uses as much as digits as its factorization.

1041645501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109944 (or 109929 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1041645501 is about 32274.5333196314. The cubic root of 1041645501 is about 1013.6934667432.

The spelling of 1041645501 in words is "one billion, forty-one million, six hundred forty-five thousand, five hundred one".