1025512432 has 40 divisors (see below), whose sum is σ = 2272870400. Its totient is φ = 439100352.

The previous prime is 1025512417. The next prime is 1025512451. The reversal of 1025512432 is 2342155201.

It is a junction number, because it is equal to n+sod(n) for n = 1025512397 and 1025512406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139669 + ... + 146827.

It is an arithmetic number, because the mean of its divisors is an integer number (56821760).

Almost surely, 2^1025512432 is an apocalyptic number.

It is an amenable number.

1025512432 is an abundant number, since it is smaller than the sum of its proper divisors (1247357968).

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

1025512432 is a wasteful number, since it uses less digits than its factorization.

1025512432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8453 (or 8447 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1025512432 is about 32023.6230305067. The cubic root of 1025512432 is about 1008.4328314599.

Adding to 1025512432 its reverse (2342155201), we get a palindrome (3367667633).

The spelling of 1025512432 in words is "one billion, twenty-five million, five hundred twelve thousand, four hundred thirty-two".