151573 has 2 divisors, whose sum is σ = 151574. Its totient is φ = 151572.

The previous prime is 151561. The next prime is 151579. The reversal of 151573 is 375151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128164 + 23409 = 358^2 + 153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75786 + 75787.

It is an arithmetic number, because the mean of its divisors is an integer number (75787).

2¹⁵¹⁵⁷³ is an apocalyptic number.

It is an amenable number.

151573 is a deficient number, since it is larger than the sum of its proper divisors (1).

151573 is an equidigital number, since it uses as much as digits as its factorization.

151573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 525, while the sum is 22.

The square root of 151573 is about 389.3237727137. The cubic root of 151573 is about 53.3180120921.

The spelling of 151573 in words is "one hundred fifty-one thousand, five hundred seventy-three".