4025172530 has 16 divisors (see below), whose sum is σ = 7289763264. Its totient is φ = 1600190640.

The previous prime is 4025172527. The next prime is 4025172533. The reversal of 4025172530 is 352715204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4025172527) and next prime (4025172533).

It is a junction number, because it is equal to n+sod(n) for n = 4025172493 and 4025172502.

It is not an unprimeable number, because it can be changed into a prime (4025172533) 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, 1233086 + ... + 1236345.

It is an arithmetic number, because the mean of its divisors is an integer number (455610204).

Almost surely, 2^4025172530 is an apocalyptic number.

4025172530 is a deficient number, since it is larger than the sum of its proper divisors (3264590734).

4025172530 is a wasteful number, since it uses less digits than its factorization.

4025172530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469601.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 4025172530 is about 63444.2474145608. The cubic root of 4025172530 is about 1590.7239994864.

Adding to 4025172530 its reverse (352715204), we get a palindrome (4377887734).

The spelling of 4025172530 in words is "four billion, twenty-five million, one hundred seventy-two thousand, five hundred thirty".