1025425339 has 4 divisors (see below), whose sum is σ = 1031716456. Its totient is φ = 1019134224.

The previous prime is 1025425333. The next prime is 1025425351. The reversal of 1025425339 is 9335245201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9335245201 = 2111 ⋅4422191.

It is a cyclic number.

It is not a de Polignac number, because 1025425339 - 2¹⁷ = 1025294267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025425333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3145314 + ... + 3145639.

It is an arithmetic number, because the mean of its divisors is an integer number (257929114).

Almost surely, 2^1025425339 is an apocalyptic number.

1025425339 is a deficient number, since it is larger than the sum of its proper divisors (6291117).

1025425339 is an equidigital number, since it uses as much as digits as its factorization.

1025425339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6291116.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1025425339 is about 32022.2631773583. The cubic root of 1025425339 is about 1008.4042831543.

The spelling of 1025425339 in words is "one billion, twenty-five million, four hundred twenty-five thousand, three hundred thirty-nine".