25073489 has 4 divisors (see below), whose sum is σ = 28655424. Its totient is φ = 21491556.

The previous prime is 25073479. The next prime is 25073527. The reversal of 25073489 is 98437052.

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 25073489 - 2¹² = 25069393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25073449) 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, 1790957 + ... + 1790970.

It is an arithmetic number, because the mean of its divisors is an integer number (7163856).

Almost surely, 2^25073489 is an apocalyptic number.

It is an amenable number.

25073489 is a deficient number, since it is larger than the sum of its proper divisors (3581935).

25073489 is an equidigital number, since it uses as much as digits as its factorization.

25073489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581934.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 25073489 is about 5007.3435072901. The cubic root of 25073489 is about 292.6880043930.

The spelling of 25073489 in words is "twenty-five million, seventy-three thousand, four hundred eighty-nine".