535157973 has 24 divisors (see below), whose sum is σ = 907315968. Its totient is φ = 297538272.

The previous prime is 535157897. The next prime is 535157989. The reversal of 535157973 is 379751535.

535157973 is a `hidden beast` number, since 5 + 3 + 5 + 1 + 579 + 73 = 666.

It is not a de Polignac number, because 535157973 - 2¹⁷ = 535026901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535157993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112461 + ... + 117122.

It is an arithmetic number, because the mean of its divisors is an integer number (37804832).

Almost surely, 2^535157973 is an apocalyptic number.

It is an amenable number.

535157973 is a deficient number, since it is larger than the sum of its proper divisors (372157995).

535157973 is a wasteful number, since it uses less digits than its factorization.

535157973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229633 (or 229630 counting only the distinct ones).

The product of its digits is 496125, while the sum is 45.

The square root of 535157973 is about 23133.4816445774. The cubic root of 535157973 is about 811.8840323316.

It can be divided in two parts, 535157 and 973, that added together give a triangular number (536130 = T₁₀₃₅).

The spelling of 535157973 in words is "five hundred thirty-five million, one hundred fifty-seven thousand, nine hundred seventy-three".