2545401652 has 12 divisors (see below), whose sum is σ = 4688897920. Its totient is φ = 1205716536.

The previous prime is 2545401629. The next prime is 2545401667. The reversal of 2545401652 is 2561045452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16745988 + ... + 16746139.

Almost surely, 2^2545401652 is an apocalyptic number.

It is an amenable number.

2545401652 is a deficient number, since it is larger than the sum of its proper divisors (2143496268).

2545401652 is a wasteful number, since it uses less digits than its factorization.

2545401652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33492150 (or 33492148 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 2545401652 is about 50451.9737175861. The cubic root of 2545401652 is about 1365.3755047541.

The spelling of 2545401652 in words is "two billion, five hundred forty-five million, four hundred one thousand, six hundred fifty-two".