1025501 has 4 divisors (see below), whose sum is σ = 1070112. Its totient is φ = 980892.

The previous prime is 1025483. The next prime is 1025503. The reversal of 1025501 is 1055201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1055201 = 7 ⋅150743.

It is a cyclic number.

It is not a de Polignac number, because 1025501 - 2¹⁰ = 1024477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025503) 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, 22271 + ... + 22316.

It is an arithmetic number, because the mean of its divisors is an integer number (267528).

2^1025501 is an apocalyptic number.

It is an amenable number.

1025501 is a deficient number, since it is larger than the sum of its proper divisors (44611).

1025501 is an equidigital number, since it uses as much as digits as its factorization.

1025501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44610.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 1025501 is about 1012.6702326029. The cubic root of 1025501 is about 100.8429084245.

The spelling of 1025501 in words is "one million, twenty-five thousand, five hundred one".