149825653 has 2 divisors, whose sum is σ = 149825654. Its totient is φ = 149825652.

The previous prime is 149825651. The next prime is 149825681. The reversal of 149825653 is 356528941.

149825653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97653924 + 52171729 = 9882^2 + 7223^2 .

It is a cyclic number.

It is not a de Polignac number, because 149825653 - 2¹ = 149825651 is a prime.

Together with 149825651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149825651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74912826 + 74912827.

It is an arithmetic number, because the mean of its divisors is an integer number (74912827).

Almost surely, 2^149825653 is an apocalyptic number.

It is an amenable number.

149825653 is a deficient number, since it is larger than the sum of its proper divisors (1).

149825653 is an equidigital number, since it uses as much as digits as its factorization.

149825653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 149825653 is about 12240.3289579978. The cubic root of 149825653 is about 531.1233477457.

The spelling of 149825653 in words is "one hundred forty-nine million, eight hundred twenty-five thousand, six hundred fifty-three".