2525664345 has 16 divisors (see below), whose sum is σ = 4041690432. Its totient is φ = 1346811840.

The previous prime is 2525664343. The next prime is 2525664371. The reversal of 2525664345 is 5434665252.

It is not a de Polignac number, because 2525664345 - 2¹ = 2525664343 is a prime.

It is a super-3 number, since 3×2525664345³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2525664297 and 2525664306.

It is not an unprimeable number, because it can be changed into a prime (2525664343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165039 + ... + 179691.

It is an arithmetic number, because the mean of its divisors is an integer number (252605652).

Almost surely, 2^2525664345 is an apocalyptic number.

It is an amenable number.

2525664345 is a deficient number, since it is larger than the sum of its proper divisors (1516026087).

2525664345 is a wasteful number, since it uses less digits than its factorization.

2525664345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26152.

The product of its digits is 864000, while the sum is 42.

The square root of 2525664345 is about 50255.9881506672. The cubic root of 2525664345 is about 1361.8372561126.

The spelling of 2525664345 in words is "two billion, five hundred twenty-five million, six hundred sixty-four thousand, three hundred forty-five".