2164750025 has 24 divisors (see below), whose sum is σ = 2717784384. Its totient is φ = 1710331200.

The previous prime is 2164750019. The next prime is 2164750033. The reversal of 2164750025 is 5200574612.

It is not a de Polignac number, because 2164750025 - 2¹² = 2164745929 is a prime.

It is a super-2 number, since 2×2164750025² = 9372285341475001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2164749973 and 2164750000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 678935 + ... + 682115.

It is an arithmetic number, because the mean of its divisors is an integer number (113241016).

Almost surely, 2^2164750025 is an apocalyptic number.

2164750025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2164750025 is a deficient number, since it is larger than the sum of its proper divisors (553034359).

2164750025 is a wasteful number, since it uses less digits than its factorization.

2164750025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2164750025 is about 46526.8742233991. The cubic root of 2164750025 is about 1293.6076775613.

The spelling of 2164750025 in words is "two billion, one hundred sixty-four million, seven hundred fifty thousand, twenty-five".