4025081534 has 16 divisors (see below), whose sum is σ = 6433503408. Its totient is φ = 1882088832.

The previous prime is 4025081513. The next prime is 4025081537. The reversal of 4025081534 is 4351805204.

It is a self number, because there is not a number n which added to its sum of digits gives 4025081534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025081537) 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, 371684 + ... + 382359.

It is an arithmetic number, because the mean of its divisors is an integer number (402093963).

Almost surely, 2^4025081534 is an apocalyptic number.

4025081534 is a deficient number, since it is larger than the sum of its proper divisors (2408421874).

4025081534 is a wasteful number, since it uses less digits than its factorization.

4025081534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754219.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 4025081534 is about 63443.5302769321. The cubic root of 4025081534 is about 1590.7120123719.

Adding to 4025081534 its reverse (4351805204), we get a palindrome (8376886738).

The spelling of 4025081534 in words is "four billion, twenty-five million, eighty-one thousand, five hundred thirty-four".