1025916953 has 4 divisors (see below), whose sum is σ = 1026260688. Its totient is φ = 1025573220.

The previous prime is 1025916929. The next prime is 1025916959. The reversal of 1025916953 is 3596195201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1025916953 - 2¹⁰ = 1025915929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025916953.

It is not an unprimeable number, because it can be changed into a prime (1025916959) 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, 167351 + ... + 173372.

It is an arithmetic number, because the mean of its divisors is an integer number (256565172).

Almost surely, 2^1025916953 is an apocalyptic number.

It is an amenable number.

1025916953 is a deficient number, since it is larger than the sum of its proper divisors (343735).

1025916953 is an equidigital number, since it uses as much as digits as its factorization.

1025916953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343734.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 1025916953 is about 32029.9383858290. The cubic root of 1025916953 is about 1008.5654086376.

The spelling of 1025916953 in words is "one billion, twenty-five million, nine hundred sixteen thousand, nine hundred fifty-three".