35401021 has 4 divisors (see below), whose sum is σ = 37483452. Its totient is φ = 33318592.

The previous prime is 35401013. The next prime is 35401033. The reversal of 35401021 is 12010453.

35401021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18705625 + 16695396 = 4325^2 + 4086^2 .

It is a cyclic number.

It is not a de Polignac number, because 35401021 - 2³ = 35401013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35400986 and 35401004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35401061) 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 3 ways as a sum of consecutive naturals, for example, 1041190 + ... + 1041223.

It is an arithmetic number, because the mean of its divisors is an integer number (9370863).

Almost surely, 2^35401021 is an apocalyptic number.

It is an amenable number.

35401021 is a deficient number, since it is larger than the sum of its proper divisors (2082431).

35401021 is a wasteful number, since it uses less digits than its factorization.

35401021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082430.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 35401021 is about 5949.8757129876. The cubic root of 35401021 is about 328.3511909916.

Adding to 35401021 its reverse (12010453), we get a palindrome (47411474).

The spelling of 35401021 in words is "thirty-five million, four hundred one thousand, twenty-one".