25249007 has 4 divisors (see below), whose sum is σ = 28856016. Its totient is φ = 21642000.

The previous prime is 25248947. The next prime is 25249027. The reversal of 25249007 is 70094252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25249007 - 2²² = 21054703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25249027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803494 + ... + 1803507.

It is an arithmetic number, because the mean of its divisors is an integer number (7214004).

Almost surely, 2^25249007 is an apocalyptic number.

25249007 is a deficient number, since it is larger than the sum of its proper divisors (3607009).

25249007 is an equidigital number, since it uses as much as digits as its factorization.

25249007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607008.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 25249007 is about 5024.8390023960. The cubic root of 25249007 is about 293.3693695684.

The spelling of 25249007 in words is "twenty-five million, two hundred forty-nine thousand, seven".