1025514 has 32 divisors (see below), whose sum is σ = 2605440. Its totient is φ = 292896.

The previous prime is 1025513. The next prime is 1025537. The reversal of 1025514 is 4155201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1025513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979 + ... + 1734.

It is an arithmetic number, because the mean of its divisors is an integer number (81420).

2^1025514 is an apocalyptic number.

1025514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1025514 is an abundant number, since it is smaller than the sum of its proper divisors (1579926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025514 is a wasteful number, since it uses less digits than its factorization.

1025514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731 (or 2725 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1025514 is about 1012.6766512565. The cubic root of 1025514 is about 100.8433345421.

The spelling of 1025514 in words is "one million, twenty-five thousand, five hundred fourteen".