25142371 has 4 divisors (see below), whose sum is σ = 26621352. Its totient is φ = 23663392.

The previous prime is 25142363. The next prime is 25142399. The reversal of 25142371 is 17324152.

It is a happy number.

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 25142371 - 2³ = 25142363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25142311) 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, 739465 + ... + 739498.

It is an arithmetic number, because the mean of its divisors is an integer number (6655338).

Almost surely, 2^25142371 is an apocalyptic number.

25142371 is a deficient number, since it is larger than the sum of its proper divisors (1478981).

25142371 is a wasteful number, since it uses less digits than its factorization.

25142371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478980.

The product of its digits is 1680, while the sum is 25.

The square root of 25142371 is about 5014.2168880095. The cubic root of 25142371 is about 292.9557839213.

The spelling of 25142371 in words is "twenty-five million, one hundred forty-two thousand, three hundred seventy-one".