25140207 has 8 divisors (see below), whose sum is σ = 33610240. Its totient is φ = 16715160.

The previous prime is 25140197. The next prime is 25140217. The reversal of 25140207 is 70204152.

It is an interprime number because it is at equal distance from previous prime (25140197) and next prime (25140217).

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

It is not a de Polignac number, because 25140207 - 2¹⁹ = 24615919 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 (25140217) 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, 9919 + ... + 12192.

It is an arithmetic number, because the mean of its divisors is an integer number (4201280).

Almost surely, 2^25140207 is an apocalyptic number.

25140207 is a deficient number, since it is larger than the sum of its proper divisors (8470033).

25140207 is a wasteful number, since it uses less digits than its factorization.

25140207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22493.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 25140207 is about 5014.0010969285. The cubic root of 25140207 is about 292.9473787938.

Adding to 25140207 its reverse (70204152), we get a palindrome (95344359).

The spelling of 25140207 in words is "twenty-five million, one hundred forty thousand, two hundred seven".