25349287 has 8 divisors (see below), whose sum is σ = 26744960. Its totient is φ = 23959800.

The previous prime is 25349281. The next prime is 25349293. The reversal of 25349287 is 78294352.

It is an interprime number because it is at equal distance from previous prime (25349281) and next prime (25349293).

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 25349287 - 2¹⁹ = 24824999 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 (25349281) 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, 8662 + ... + 11212.

It is an arithmetic number, because the mean of its divisors is an integer number (3343120).

Almost surely, 2^25349287 is an apocalyptic number.

25349287 is a deficient number, since it is larger than the sum of its proper divisors (1395673).

25349287 is a wasteful number, since it uses less digits than its factorization.

25349287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093.

The product of its digits is 120960, while the sum is 40.

The square root of 25349287 is about 5034.8075434916. The cubic root of 25349287 is about 293.7572424953.

The spelling of 25349287 in words is "twenty-five million, three hundred forty-nine thousand, two hundred eighty-seven".