25053071 has 4 divisors (see below), whose sum is σ = 25917000. Its totient is φ = 24189144.

The previous prime is 25053043. The next prime is 25053073. The reversal of 25053071 is 17035052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25053071 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 (25053073) 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, 431921 + ... + 431978.

It is an arithmetic number, because the mean of its divisors is an integer number (6479250).

Almost surely, 2^25053071 is an apocalyptic number.

25053071 is a deficient number, since it is larger than the sum of its proper divisors (863929).

25053071 is an equidigital number, since it uses as much as digits as its factorization.

25053071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863928.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 25053071 is about 5005.3042864545. The cubic root of 25053071 is about 292.6085349771.

It can be divided in two parts, 250530 and 71, that multiplied together give a triangular number (17787630 = T₅₉₆₄).

The spelling of 25053071 in words is "twenty-five million, fifty-three thousand, seventy-one".