2545891032 has 32 divisors (see below), whose sum is σ = 6739124400. Its totient is φ = 798710784.

The previous prime is 2545891031. The next prime is 2545891037. The reversal of 2545891032 is 2301985452.

It is a super-2 number, since 2×2545891032² = 12963122293636050048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545891031) 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, 3119557 + ... + 3120372.

Almost surely, 2^2545891032 is an apocalyptic number.

It is an amenable number.

2545891032 is an abundant number, since it is smaller than the sum of its proper divisors (4193233368).

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

2545891032 is a wasteful number, since it uses less digits than its factorization.

2545891032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239955 (or 6239951 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 2545891032 is about 50456.8234434155. The cubic root of 2545891032 is about 1365.4630017046.

The spelling of 2545891032 in words is "two billion, five hundred forty-five million, eight hundred ninety-one thousand, thirty-two".