25336534 has 4 divisors (see below), whose sum is σ = 38004804. Its totient is φ = 12668266.

The previous prime is 25336523. The next prime is 25336559. The reversal of 25336534 is 43563352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 25336496 and 25336505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6334132 + ... + 6334135.

It is an arithmetic number, because the mean of its divisors is an integer number (9501201).

Almost surely, 2^25336534 is an apocalyptic number.

25336534 is a deficient number, since it is larger than the sum of its proper divisors (12668270).

25336534 is a wasteful number, since it uses less digits than its factorization.

25336534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12668269.

The product of its digits is 32400, while the sum is 31.

The square root of 25336534 is about 5033.5409007974. The cubic root of 25336534 is about 293.7079720164.

Adding to 25336534 its reverse (43563352), we get a palindrome (68899886).

The spelling of 25336534 in words is "twenty-five million, three hundred thirty-six thousand, five hundred thirty-four".