1025253599 has 4 divisors (see below), whose sum is σ = 1037606136. Its totient is φ = 1012901064.

The previous prime is 1025253583. The next prime is 1025253637. The reversal of 1025253599 is 9953525201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1025253599 - 2⁴ = 1025253583 is a prime.

It is a super-2 number, since 2×1025253599² = 2102289884524905602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025253529) 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, 6176144 + ... + 6176309.

It is an arithmetic number, because the mean of its divisors is an integer number (259401534).

Almost surely, 2^1025253599 is an apocalyptic number.

1025253599 is a deficient number, since it is larger than the sum of its proper divisors (12352537).

1025253599 is an equidigital number, since it uses as much as digits as its factorization.

1025253599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12352536.

The product of its (nonzero) digits is 121500, while the sum is 41.

The square root of 1025253599 is about 32019.5814932051. The cubic root of 1025253599 is about 1008.3479835830.

The spelling of 1025253599 in words is "one billion, twenty-five million, two hundred fifty-three thousand, five hundred ninety-nine".