1655357252 has 12 divisors (see below), whose sum is σ = 3067279740. Its totient is φ = 778991616.

The previous prime is 1655357239. The next prime is 1655357267. The reversal of 1655357252 is 2527535561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1463368516 + 191988736 = 38254^2 + 13856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12171677 + ... + 12171812.

It is an arithmetic number, because the mean of its divisors is an integer number (255606645).

Almost surely, 2^1655357252 is an apocalyptic number.

It is an amenable number.

1655357252 is a deficient number, since it is larger than the sum of its proper divisors (1411922488).

1655357252 is a wasteful number, since it uses less digits than its factorization.

1655357252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24343510 (or 24343508 counting only the distinct ones).

The product of its digits is 315000, while the sum is 41.

The square root of 1655357252 is about 40686.0817970962. The cubic root of 1655357252 is about 1182.9432539477.

The spelling of 1655357252 in words is "one billion, six hundred fifty-five million, three hundred fifty-seven thousand, two hundred fifty-two".