1025423319 has 8 divisors (see below), whose sum is σ = 1374102400. Its totient is φ = 680179896.

The previous prime is 1025423317. The next prime is 1025423339. The reversal of 1025423319 is 9133245201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1025423319 - 2¹ = 1025423317 is a prime.

It is a super-2 number, since 2×1025423319² = 2102985966297951522, 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 (1025423317) 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, 858217 + ... + 859410.

It is an arithmetic number, because the mean of its divisors is an integer number (171762800).

Almost surely, 2^1025423319 is an apocalyptic number.

1025423319 is a deficient number, since it is larger than the sum of its proper divisors (348679081).

1025423319 is a wasteful number, since it uses less digits than its factorization.

1025423319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717829.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1025423319 is about 32022.2316367863. The cubic root of 1025423319 is about 1008.4036209972.

The spelling of 1025423319 in words is "one billion, twenty-five million, four hundred twenty-three thousand, three hundred nineteen".