2004561534 has 16 divisors (see below), whose sum is σ = 4037967360. Its totient is φ = 663379800.

The previous prime is 2004561529. The next prime is 2004561539. The reversal of 2004561534 is 4351654002.

It is an interprime number because it is at equal distance from previous prime (2004561529) and next prime (2004561539).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004561539) 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, 1200942 + ... + 1202609.

It is an arithmetic number, because the mean of its divisors is an integer number (252372960).

Almost surely, 2^2004561534 is an apocalyptic number.

2004561534 is an abundant number, since it is smaller than the sum of its proper divisors (2033405826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2004561534 is a wasteful number, since it uses less digits than its factorization.

2004561534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403695.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2004561534 is about 44772.3300041443. The cubic root of 2004561534 is about 1260.8781847138.

The spelling of 2004561534 in words is "two billion, four million, five hundred sixty-one thousand, five hundred thirty-four".