2405561525 has 12 divisors (see below), whose sum is σ = 2984332800. Its totient is φ = 1923522480.

The previous prime is 2405561479. The next prime is 2405561531. The reversal of 2405561525 is 5251655042.

It is not a de Polignac number, because 2405561525 - 2⁸ = 2405561269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32396 + ... + 76554.

It is an arithmetic number, because the mean of its divisors is an integer number (248694400).

Almost surely, 2^2405561525 is an apocalyptic number.

2405561525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2405561525 is a deficient number, since it is larger than the sum of its proper divisors (578771275).

2405561525 is a wasteful number, since it uses less digits than its factorization.

2405561525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46348 (or 46343 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 2405561525 is about 49046.5240868300. The cubic root of 2405561525 is about 1339.8992879310.

The spelling of 2405561525 in words is "two billion, four hundred five million, five hundred sixty-one thousand, five hundred twenty-five".