2545401783 has 8 divisors (see below), whose sum is σ = 3396220288. Its totient is φ = 1695758904.

The previous prime is 2545401779. The next prime is 2545401787. The reversal of 2545401783 is 3871045452.

It is an interprime number because it is at equal distance from previous prime (2545401779) and next prime (2545401787).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2545401783 - 2² = 2545401779 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545401787) 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, 288841 + ... + 297522.

It is an arithmetic number, because the mean of its divisors is an integer number (424527536).

Almost surely, 2^2545401783 is an apocalyptic number.

2545401783 is a deficient number, since it is larger than the sum of its proper divisors (850818505).

2545401783 is a wasteful number, since it uses less digits than its factorization.

2545401783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587813.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 2545401783 is about 50451.9750158505. The cubic root of 2545401783 is about 1365.3755281773.

The spelling of 2545401783 in words is "two billion, five hundred forty-five million, four hundred one thousand, seven hundred eighty-three".