1530240551 has 12 divisors (see below), whose sum is σ = 1781662680. Its totient is φ = 1310465520.

The previous prime is 1530240541. The next prime is 1530240553. The reversal of 1530240551 is 1550420351.

It is not a de Polignac number, because 1530240551 - 2¹⁰ = 1530239527 is a prime.

It is a super-2 number, since 2×1530240551² = 4683272287849567202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1530240551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530240553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44045 + ... + 70713.

It is an arithmetic number, because the mean of its divisors is an integer number (148471890).

Almost surely, 2^1530240551 is an apocalyptic number.

1530240551 is a deficient number, since it is larger than the sum of its proper divisors (251422129).

1530240551 is a wasteful number, since it uses less digits than its factorization.

1530240551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27854 (or 27847 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1530240551 is about 39118.2892136146. The cubic root of 1530240551 is about 1152.3557384096.

The spelling of 1530240551 in words is "one billion, five hundred thirty million, two hundred forty thousand, five hundred fifty-one".