2505646452 has 24 divisors (see below), whose sum is σ = 5926599616. Its totient is φ = 823773888.

The previous prime is 2505646447. The next prime is 2505646483. The reversal of 2505646452 is 2546465052.

It is a super-3 number, since 3×2505646452³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2505646452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429288 + ... + 1431039.

Almost surely, 2^2505646452 is an apocalyptic number.

It is an amenable number.

2505646452 is an abundant number, since it is smaller than the sum of its proper divisors (3420953164).

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

2505646452 is a wasteful number, since it uses less digits than its factorization.

2505646452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860407 (or 2860405 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 2505646452 is about 50056.4326735336. The cubic root of 2505646452 is about 1358.2298285826.

The spelling of 2505646452 in words is "two billion, five hundred five million, six hundred forty-six thousand, four hundred fifty-two".