2525631407 has 8 divisors (see below), whose sum is σ = 2720941440. Its totient is φ = 2330468640.

The previous prime is 2525631371. The next prime is 2525631413. The reversal of 2525631407 is 7041365252.

2525631407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2525631407 - 2¹⁰ = 2525630383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525631457) 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, 194 + ... + 71072.

It is an arithmetic number, because the mean of its divisors is an integer number (340117680).

Almost surely, 2^2525631407 is an apocalyptic number.

2525631407 is a deficient number, since it is larger than the sum of its proper divisors (195310033).

2525631407 is a wasteful number, since it uses less digits than its factorization.

2525631407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73633.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2525631407 is about 50255.6604473566. The cubic root of 2525631407 is about 1361.8313360345.

Adding to 2525631407 its reverse (7041365252), we get a palindrome (9566996659).

The spelling of 2525631407 in words is "two billion, five hundred twenty-five million, six hundred thirty-one thousand, four hundred seven".