25061331 has 8 divisors (see below), whose sum is σ = 33525184. Its totient is φ = 16652520.

The previous prime is 25061327. The next prime is 25061339. The reversal of 25061331 is 13316052.

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

It is not a de Polignac number, because 25061331 - 2² = 25061327 is a prime.

It is a super-2 number, since 2×25061331² = 1256140622983122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25061298 and 25061307.

It is not an unprimeable number, because it can be changed into a prime (25061339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12685 + ... + 14526.

It is an arithmetic number, because the mean of its divisors is an integer number (4190648).

Almost surely, 2^25061331 is an apocalyptic number.

25061331 is a deficient number, since it is larger than the sum of its proper divisors (8463853).

25061331 is a wasteful number, since it uses less digits than its factorization.

25061331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27521.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 25061331 is about 5006.1293431153. The cubic root of 25061331 is about 292.6406891313.

Adding to 25061331 its reverse (13316052), we get a palindrome (38377383).

The spelling of 25061331 in words is "twenty-five million, sixty-one thousand, three hundred thirty-one".