25354534 has 16 divisors (see below), whose sum is σ = 38619648. Its totient is φ = 12483072.

The previous prime is 25354529. The next prime is 25354543. The reversal of 25354534 is 43545352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25354496 and 25354505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43654 + ... + 44230.

It is an arithmetic number, because the mean of its divisors is an integer number (2413728).

Almost surely, 2^25354534 is an apocalyptic number.

25354534 is a deficient number, since it is larger than the sum of its proper divisors (13265114).

25354534 is a wasteful number, since it uses less digits than its factorization.

25354534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879.

The product of its digits is 36000, while the sum is 31.

The square root of 25354534 is about 5035.3285890794. The cubic root of 25354534 is about 293.7775091787. Note that the first 3 decimals are identical.

Adding to 25354534 its reverse (43545352), we get a palindrome (68899886).

The spelling of 25354534 in words is "twenty-five million, three hundred fifty-four thousand, five hundred thirty-four".