25963740 has 240 divisors, whose sum is σ = 93671424. Its totient is φ = 5961600.

The previous prime is 25963739. The next prime is 25963741. The reversal of 25963740 is 4736952.

It is an interprime number because it is at equal distance from previous prime (25963739) and next prime (25963741).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25963695 and 25963704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25963741) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 552397 + ... + 552443.

Almost surely, 2^25963740 is an apocalyptic number.

25963740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25963740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46835712).

25963740 is an abundant number, since it is smaller than the sum of its proper divisors (67707684).

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

25963740 is a wasteful number, since it uses less digits than its factorization.

25963740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 25963740 is about 5095.4626875290. The cubic root of 25963740 is about 296.1118246834. Note that the first 3 decimals are identical.

It can be divided in two parts, 2596 and 3740, that added together give a palindrome (6336).

The spelling of 25963740 in words is "twenty-five million, nine hundred sixty-three thousand, seven hundred forty".