35137021 has 4 divisors (see below), whose sum is σ = 35163072. Its totient is φ = 35110972.

The previous prime is 35137007. The next prime is 35137033. The reversal of 35137021 is 12073153.

35137021 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, 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: 12073153 = 43 ⋅280771.

It is a cyclic number.

It is not a de Polignac number, because 35137021 - 2²¹ = 33039869 is a prime.

It is a super-2 number, since 2×35137021² = 2469220489508882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35136983 and 35137001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35137051) 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, 10885 + ... + 13738.

It is an arithmetic number, because the mean of its divisors is an integer number (8790768).

Almost surely, 2^35137021 is an apocalyptic number.

It is an amenable number.

35137021 is a deficient number, since it is larger than the sum of its proper divisors (26051).

35137021 is a wasteful number, since it uses less digits than its factorization.

35137021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26050.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 35137021 is about 5927.6488593708. The cubic root of 35137021 is about 327.5329368813.

The spelling of 35137021 in words is "thirty-five million, one hundred thirty-seven thousand, twenty-one".