1507248661 has 8 divisors (see below), whose sum is σ = 1513981280. Its totient is φ = 1500526512.

The previous prime is 1507248653. The next prime is 1507248667. The reversal of 1507248661 is 1668427051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1507248661 - 2³ = 1507248653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1507248667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445171 + ... + 448543.

It is an arithmetic number, because the mean of its divisors is an integer number (189247660).

Almost surely, 2^1507248661 is an apocalyptic number.

It is an amenable number.

1507248661 is a deficient number, since it is larger than the sum of its proper divisors (6732619).

1507248661 is a wasteful number, since it uses less digits than its factorization.

1507248661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1507248661 is about 38823.3004908135. The cubic root of 1507248661 is about 1146.5552015077. Note that the first 3 decimals are identical.

The spelling of 1507248661 in words is "one billion, five hundred seven million, two hundred forty-eight thousand, six hundred sixty-one".