35021825 has 6 divisors (see below), whose sum is σ = 43427094. Its totient is φ = 28017440.

The previous prime is 35021813. The next prime is 35021837. The reversal of 35021825 is 52812053.

35021825 = 646² + 647² + ... + 720².

It is an interprime number because it is at equal distance from previous prime (35021813) and next prime (35021837).

It can be written as a sum of positive squares in 3 ways, for example, as 5166529 + 29855296 = 2273^2 + 5464^2 .

It is not a de Polignac number, because 35021825 - 2⁶ = 35021761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35021794 and 35021803.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700412 + ... + 700461.

It is an arithmetic number, because the mean of its divisors is an integer number (7237849).

Almost surely, 2^35021825 is an apocalyptic number.

It is an amenable number.

35021825 is a deficient number, since it is larger than the sum of its proper divisors (8405269).

35021825 is a wasteful number, since it uses less digits than its factorization.

35021825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400883 (or 1400878 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 35021825 is about 5917.9240447981. The cubic root of 35021825 is about 327.1746083410.

Adding to 35021825 its reverse (52812053), we get a palindrome (87833878).

The spelling of 35021825 in words is "thirty-five million, twenty-one thousand, eight hundred twenty-five".