25263434 has 16 divisors (see below), whose sum is σ = 43416000. Its totient is φ = 10800384.

The previous prime is 25263431. The next prime is 25263443. The reversal of 25263434 is 43436252.

It is a junction number, because it is equal to n+sod(n) for n = 25263397 and 25263406.

It is not an unprimeable number, because it can be changed into a prime (25263431) 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, 4277 + ... + 8295.

It is an arithmetic number, because the mean of its divisors is an integer number (2713500).

Almost surely, 2^25263434 is an apocalyptic number.

25263434 is a deficient number, since it is larger than the sum of its proper divisors (18152566).

25263434 is a wasteful number, since it uses less digits than its factorization.

25263434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477.

The product of its digits is 17280, while the sum is 29.

The square root of 25263434 is about 5026.2743657703. The cubic root of 25263434 is about 293.4252349209.

Adding to 25263434 its reverse (43436252), we get a palindrome (68699686).

The spelling of 25263434 in words is "twenty-five million, two hundred sixty-three thousand, four hundred thirty-four".