1025315342 has 4 divisors (see below), whose sum is σ = 1537973016. Its totient is φ = 512657670.

The previous prime is 1025315311. The next prime is 1025315363. The reversal of 1025315342 is 2435135201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2435135201 = 3203 ⋅760267.

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, 256328834 + ... + 256328837.

It is an arithmetic number, because the mean of its divisors is an integer number (384493254).

Almost surely, 2^1025315342 is an apocalyptic number.

1025315342 is a deficient number, since it is larger than the sum of its proper divisors (512657674).

1025315342 is an equidigital number, since it uses as much as digits as its factorization.

1025315342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512657673.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1025315342 is about 32020.5456230839. The cubic root of 1025315342 is about 1008.3682248124.

The spelling of 1025315342 in words is "one billion, twenty-five million, three hundred fifteen thousand, three hundred forty-two".