25201542 has 8 divisors (see below), whose sum is σ = 50403096. Its totient is φ = 8400512.

The previous prime is 25201471. The next prime is 25201549. The reversal of 25201542 is 24510252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

25201542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25201549) 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, 2100123 + ... + 2100134.

It is an arithmetic number, because the mean of its divisors is an integer number (6300387).

Almost surely, 2^25201542 is an apocalyptic number.

25201542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25201542 is a wasteful number, since it uses less digits than its factorization.

25201542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200262.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 25201542 is about 5020.1137437313. The cubic root of 25201542 is about 293.1854215836.

Adding to 25201542 its reverse (24510252), we get a palindrome (49711794).

The spelling of 25201542 in words is "twenty-five million, two hundred one thousand, five hundred forty-two".