25285349 has 4 divisors (see below), whose sum is σ = 26384736. Its totient is φ = 24185964.

The previous prime is 25285291. The next prime is 25285363. The reversal of 25285349 is 94358252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25285349 - 2⁸ = 25285093 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 (25285549) 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, 549659 + ... + 549704.

It is an arithmetic number, because the mean of its divisors is an integer number (6596184).

Almost surely, 2^25285349 is an apocalyptic number.

It is an amenable number.

25285349 is a deficient number, since it is larger than the sum of its proper divisors (1099387).

25285349 is a wasteful number, since it uses less digits than its factorization.

25285349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099386.

The product of its digits is 86400, while the sum is 38.

The square root of 25285349 is about 5028.4539373450. The cubic root of 25285349 is about 293.5100552128.

The spelling of 25285349 in words is "twenty-five million, two hundred eighty-five thousand, three hundred forty-nine".