25293930 has 16 divisors (see below), whose sum is σ = 60705504. Its totient is φ = 6745040.

The previous prime is 25293913. The next prime is 25293937. The reversal of 25293930 is 3939252.

It is a junction number, because it is equal to n+sod(n) for n = 25293891 and 25293900.

It is not an unprimeable number, because it can be changed into a prime (25293937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421536 + ... + 421595.

It is an arithmetic number, because the mean of its divisors is an integer number (3794094).

Almost surely, 2^25293930 is an apocalyptic number.

25293930 is an abundant number, since it is smaller than the sum of its proper divisors (35411574).

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

25293930 is a wasteful number, since it uses less digits than its factorization.

25293930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843141.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 25293930 is about 5029.3071093342. The cubic root of 25293930 is about 293.5432539495.

The spelling of 25293930 in words is "twenty-five million, two hundred ninety-three thousand, nine hundred thirty".