25348920 has 32 divisors (see below), whose sum is σ = 76047120. Its totient is φ = 6759680.

The previous prime is 25348909. The next prime is 25348943. The reversal of 25348920 is 2984352.

25348920 = 346² + 347² + ... + 489².

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105501 + ... + 105740.

Almost surely, 2^25348920 is an apocalyptic number.

25348920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25348920 is an abundant number, since it is smaller than the sum of its proper divisors (50698200).

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

25348920 is a wasteful number, since it uses less digits than its factorization.

25348920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211255 (or 211251 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 25348920 is about 5034.7710970808. The cubic root of 25348920 is about 293.7558248430.

The spelling of 25348920 in words is "twenty-five million, three hundred forty-eight thousand, nine hundred twenty".