1040453501 has 4 divisors (see below), whose sum is σ = 1040763900. Its totient is φ = 1040143104.

The previous prime is 1040453467. The next prime is 1040453537. The reversal of 1040453501 is 1053540401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1053540401 = 4253 ⋅247717.

It can be written as a sum of positive squares in 2 ways, for example, as 792422500 + 248031001 = 28150^2 + 15749^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040453501 - 2⁶ = 1040453437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040453581) 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, 150116 + ... + 156893.

It is an arithmetic number, because the mean of its divisors is an integer number (260190975).

Almost surely, 2^1040453501 is an apocalyptic number.

It is an amenable number.

1040453501 is a deficient number, since it is larger than the sum of its proper divisors (310399).

1040453501 is an equidigital number, since it uses as much as digits as its factorization.

1040453501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310398.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1040453501 is about 32256.0614613750. The cubic root of 1040453501 is about 1013.3066480618.

Adding to 1040453501 its reverse (1053540401), we get a palindrome (2093993902).

The spelling of 1040453501 in words is "one billion, forty million, four hundred fifty-three thousand, five hundred one".