36125021 has 4 divisors (see below), whose sum is σ = 36140544. Its totient is φ = 36109500.

The previous prime is 36124969. The next prime is 36125027. The reversal of 36125021 is 12052163.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36125021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36124984 and 36125002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36125027) 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, 3485 + ... + 9186.

It is an arithmetic number, because the mean of its divisors is an integer number (9035136).

Almost surely, 2^36125021 is an apocalyptic number.

It is an amenable number.

36125021 is a deficient number, since it is larger than the sum of its proper divisors (15523).

36125021 is a wasteful number, since it uses less digits than its factorization.

36125021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15522.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 36125021 is about 6010.4093870551. The cubic root of 36125021 is about 330.5745149788.

Adding to 36125021 its reverse (12052163), we get a palindrome (48177184).

The spelling of 36125021 in words is "thirty-six million, one hundred twenty-five thousand, twenty-one".