2125522407 has 8 divisors (see below), whose sum is σ = 2894328576. Its totient is φ = 1386865592.

The previous prime is 2125522367. The next prime is 2125522423. The reversal of 2125522407 is 7042255212.

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

It is a cyclic number.

It is not a de Polignac number, because 2125522407 - 2⁷ = 2125522279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125522307) 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, 7537173 + ... + 7537454.

It is an arithmetic number, because the mean of its divisors is an integer number (361791072).

Almost surely, 2^2125522407 is an apocalyptic number.

2125522407 is a deficient number, since it is larger than the sum of its proper divisors (768806169).

2125522407 is a wasteful number, since it uses less digits than its factorization.

2125522407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15074677.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 2125522407 is about 46103.3882377424. The cubic root of 2125522407 is about 1285.7461400697.

Adding to 2125522407 its reverse (7042255212), we get a palindrome (9167777619).

The spelling of 2125522407 in words is "two billion, one hundred twenty-five million, five hundred twenty-two thousand, four hundred seven".