25238007 has 16 divisors (see below), whose sum is σ = 37467360. Its totient is φ = 16790400.

The previous prime is 25237991. The next prime is 25238009. The reversal of 25238007 is 70083252.

It is not a de Polignac number, because 25238007 - 2⁴ = 25237991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25238009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23257 + ... + 24317.

It is an arithmetic number, because the mean of its divisors is an integer number (2341710).

Almost surely, 2^25238007 is an apocalyptic number.

25238007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

25238007 is a deficient number, since it is larger than the sum of its proper divisors (12229353).

25238007 is a wasteful number, since it uses less digits than its factorization.

25238007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951 (or 1945 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 25238007 is about 5023.7443207233. The cubic root of 25238007 is about 293.3267602120.

The spelling of 25238007 in words is "twenty-five million, two hundred thirty-eight thousand, seven".