1025464334 has 4 divisors (see below), whose sum is σ = 1538196504. Its totient is φ = 512732166.

The previous prime is 1025464291. The next prime is 1025464357. The reversal of 1025464334 is 4334645201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4334645201 = 37 ⋅117152573.

It is a self number, because there is not a number n which added to its sum of digits gives 1025464334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256366082 + ... + 256366085.

It is an arithmetic number, because the mean of its divisors is an integer number (384549126).

Almost surely, 2^1025464334 is an apocalyptic number.

1025464334 is a deficient number, since it is larger than the sum of its proper divisors (512732170).

1025464334 is an equidigital number, since it uses as much as digits as its factorization.

1025464334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512732169.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 1025464334 is about 32022.8720448370. The cubic root of 1025464334 is about 1008.4170655660.

The spelling of 1025464334 in words is "one billion, twenty-five million, four hundred sixty-four thousand, three hundred thirty-four".