535157972 has 6 divisors (see below), whose sum is σ = 936526458. Its totient is φ = 267578984.

The previous prime is 535157897. The next prime is 535157989. The reversal of 535157972 is 279751535.

It can be written as a sum of positive squares in only one way, i.e., 531486916 + 3671056 = 23054^2 + 1916^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66894743 + ... + 66894750.

It is an arithmetic number, because the mean of its divisors is an integer number (156087743).

Almost surely, 2^535157972 is an apocalyptic number.

It is an amenable number.

535157972 is a deficient number, since it is larger than the sum of its proper divisors (401368486).

535157972 is a wasteful number, since it uses less digits than its factorization.

535157972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133789497 (or 133789495 counting only the distinct ones).

The product of its digits is 330750, while the sum is 44.

The square root of 535157972 is about 23133.4816229637. The cubic root of 535157972 is about 811.8840318259.

The spelling of 535157972 in words is "five hundred thirty-five million, one hundred fifty-seven thousand, nine hundred seventy-two".