2045004000531 has 16 divisors (see below), whose sum is σ = 2761542028800. Its totient is φ = 1345905426528.

The previous prime is 2045004000451. The next prime is 2045004000551. The reversal of 2045004000531 is 1350004005402.

It is not a de Polignac number, because 2045004000531 - 2¹⁸ = 2045003738387 is a prime.

It is a super-2 number, since 2×2045004000531² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2045004000551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1304400 + ... + 2406546.

It is an arithmetic number, because the mean of its divisors is an integer number (172596376800).

Almost surely, 2^{2045004000531} is an apocalyptic number.

2045004000531 is a deficient number, since it is larger than the sum of its proper divisors (716538028269).

2045004000531 is a wasteful number, since it uses less digits than its factorization.

2045004000531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110058.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 2045004000531 its reverse (1350004005402), we get a palindrome (3395008005933).

The spelling of 2045004000531 in words is "two trillion, forty-five billion, four million, five hundred thirty-one", and thus it is an aban number.