1025432615 has 16 divisors (see below), whose sum is σ = 1265031552. Its totient is φ = 797382144.

The previous prime is 1025432599. The next prime is 1025432627. The reversal of 1025432615 is 5162345201.

It is a cyclic number.

It is not a de Polignac number, because 1025432615 - 2⁴ = 1025432599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243407 + ... + 247583.

It is an arithmetic number, because the mean of its divisors is an integer number (79064472).

Almost surely, 2^1025432615 is an apocalyptic number.

1025432615 is a deficient number, since it is larger than the sum of its proper divisors (239598937).

1025432615 is a wasteful number, since it uses less digits than its factorization.

1025432615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1025432615 is about 32022.3767856166. The cubic root of 1025432615 is about 1008.4066682238.

Adding to 1025432615 its reverse (5162345201), we get a palindrome (6187777816).

The spelling of 1025432615 in words is "one billion, twenty-five million, four hundred thirty-two thousand, six hundred fifteen".