1004265461 has 4 divisors (see below), whose sum is σ = 1007536992. Its totient is φ = 1000993932.

The previous prime is 1004265443. The next prime is 1004265467. The reversal of 1004265461 is 1645624001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1645624001 = 7 ⋅235089143.

It is a cyclic number.

It is not a de Polignac number, because 1004265461 - 2⁶ = 1004265397 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 (1004265467) 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, 1635305 + ... + 1635918.

It is an arithmetic number, because the mean of its divisors is an integer number (251884248).

Almost surely, 2^1004265461 is an apocalyptic number.

It is an amenable number.

1004265461 is a deficient number, since it is larger than the sum of its proper divisors (3271531).

1004265461 is an equidigital number, since it uses as much as digits as its factorization.

1004265461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271530.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1004265461 is about 31690.1476960900. The cubic root of 1004265461 is about 1001.4198035372.

Adding to 1004265461 its reverse (1645624001), we get a palindrome (2649889462).

The spelling of 1004265461 in words is "one billion, four million, two hundred sixty-five thousand, four hundred sixty-one".