25351434 has 32 divisors (see below), whose sum is σ = 59304000. Its totient is φ = 8005392.

The previous prime is 25351433. The next prime is 25351463. The reversal of 25351434 is 43415352.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 25351398 and 25351407.

It is not an unprimeable number, because it can be changed into a prime (25351433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11329 + ... + 13380.

It is an arithmetic number, because the mean of its divisors is an integer number (1853250).

Almost surely, 2^25351434 is an apocalyptic number.

25351434 is an abundant number, since it is smaller than the sum of its proper divisors (33952566).

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

25351434 is a wasteful number, since it uses less digits than its factorization.

25351434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24739 (or 24733 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 25351434 is about 5035.0207546742. The cubic root of 25351434 is about 293.7655356805.

Adding to 25351434 its reverse (43415352), we get a palindrome (68766786).

It can be divided in two parts, 2535 and 1434, that added together give a square (3969 = 63²).

The spelling of 25351434 in words is "twenty-five million, three hundred fifty-one thousand, four hundred thirty-four".