152780653 has 4 divisors (see below), whose sum is σ = 160821760. Its totient is φ = 144739548.

The previous prime is 152780647. The next prime is 152780657. The reversal of 152780653 is 356087251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152780653 is a prime.

It is a super-2 number, since 2×152780653² = 46683855862212818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152780657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4020525 + ... + 4020562.

It is an arithmetic number, because the mean of its divisors is an integer number (40205440).

Almost surely, 2^152780653 is an apocalyptic number.

It is an amenable number.

152780653 is a deficient number, since it is larger than the sum of its proper divisors (8041107).

152780653 is an equidigital number, since it uses as much as digits as its factorization.

152780653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8041106.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 152780653 is about 12360.4471197445. The cubic root of 152780653 is about 534.5924085688.

The spelling of 152780653 in words is "one hundred fifty-two million, seven hundred eighty thousand, six hundred fifty-three".