25000034 has 16 divisors (see below), whose sum is σ = 39426048. Its totient is φ = 11866272.

The previous prime is 25000033. The next prime is 25000069. The reversal of 25000034 is 43000052.

It is a junction number, because it is equal to n+sod(n) for n = 24999982 and 25000018.

It is not an unprimeable number, because it can be changed into a prime (25000033) 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, 4319 + ... + 8285.

It is an arithmetic number, because the mean of its divisors is an integer number (2464128).

Almost surely, 2^25000034 is an apocalyptic number.

25000034 is a deficient number, since it is larger than the sum of its proper divisors (14426014).

25000034 is a wasteful number, since it uses less digits than its factorization.

25000034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 25000034 is about 5000.0033999988. The cubic root of 25000034 is about 292.4019063767.

Adding to 25000034 its reverse (43000052), we get a palindrome (68000086).

The spelling of 25000034 in words is "twenty-five million, thirty-four", and thus it is an aban number.