1651201052 has 6 divisors (see below), whose sum is σ = 2889601848. Its totient is φ = 825600524.

The previous prime is 1651201051. The next prime is 1651201093. The reversal of 1651201052 is 2501021561.

It is a happy number.

It is a super-3 number, since 3×1651201052³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1651201051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206400128 + ... + 206400135.

It is an arithmetic number, because the mean of its divisors is an integer number (481600308).

Almost surely, 2^1651201052 is an apocalyptic number.

It is an amenable number.

1651201052 is a deficient number, since it is larger than the sum of its proper divisors (1238400796).

1651201052 is a wasteful number, since it uses less digits than its factorization.

1651201052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412800267 (or 412800265 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1651201052 is about 40634.9732619575. The cubic root of 1651201052 is about 1181.9523964861.

The spelling of 1651201052 in words is "one billion, six hundred fifty-one million, two hundred one thousand, fifty-two".