1025140953 has 32 divisors (see below), whose sum is σ = 1572618240. Its totient is φ = 589697280.

The previous prime is 1025140931. The next prime is 1025140957. The reversal of 1025140953 is 3590415201.

It is not a de Polignac number, because 1025140953 - 2¹³ = 1025132761 is a prime.

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 1025140953.

It is not an unprimeable number, because it can be changed into a prime (1025140957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12976 + ... + 47102.

It is an arithmetic number, because the mean of its divisors is an integer number (49144320).

Almost surely, 2^1025140953 is an apocalyptic number.

It is an amenable number.

1025140953 is a deficient number, since it is larger than the sum of its proper divisors (547477287).

1025140953 is a wasteful number, since it uses less digits than its factorization.

1025140953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34197.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1025140953 is about 32017.8224275168. The cubic root of 1025140953 is about 1008.3110527114.

The spelling of 1025140953 in words is "one billion, twenty-five million, one hundred forty thousand, nine hundred fifty-three".