2545410405 has 16 divisors (see below), whose sum is σ = 4093334784. Its totient is φ = 1350659520.

The previous prime is 2545410377. The next prime is 2545410433. The reversal of 2545410405 is 5040145452.

It is an interprime number because it is at equal distance from previous prime (2545410377) and next prime (2545410433).

It is not a de Polignac number, because 2545410405 - 2¹³ = 2545402213 is a prime.

It is a super-2 number, since 2×2545410405² = 12958228259764528050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427741 + ... + 433650.

It is an arithmetic number, because the mean of its divisors is an integer number (255833424).

Almost surely, 2^2545410405 is an apocalyptic number.

It is an amenable number.

2545410405 is a deficient number, since it is larger than the sum of its proper divisors (1547924379).

2545410405 is a wasteful number, since it uses less digits than its factorization.

2545410405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861596.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2545410405 is about 50452.0604633745. The cubic root of 2545410405 is about 1365.3770698140.

Adding to 2545410405 its reverse (5040145452), we get a palindrome (7585555857).

The spelling of 2545410405 in words is "two billion, five hundred forty-five million, four hundred ten thousand, four hundred five".