25061330 has 32 divisors (see below), whose sum is σ = 53222400. Its totient is φ = 8314560.

The previous prime is 25061327. The next prime is 25061339. The reversal of 25061330 is 3316052.

It is a super-2 number, since 2×25061330² = 1256140522737800, which contains 22 as substring.

It is a Curzon number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3605 + ... + 7944.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^25061330 is an apocalyptic number.

25061330 is an abundant number, since it is smaller than the sum of its proper divisors (28161070).

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

25061330 is a wasteful number, since it uses less digits than its factorization.

25061330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11594.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 25061330 is about 5006.1292432377. The cubic root of 25061330 is about 292.6406852390.

Adding to 25061330 its reverse (3316052), we get a palindrome (28377382).

The spelling of 25061330 in words is "twenty-five million, sixty-one thousand, three hundred thirty".