1501052540 has 24 divisors (see below), whose sum is σ = 3394688640. Its totient is φ = 554234688.

The previous prime is 1501052537. The next prime is 1501052543. The reversal of 1501052540 is 452501051.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1501052537) and next prime (1501052543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501052543) 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, 2886380 + ... + 2886899.

It is an arithmetic number, because the mean of its divisors is an integer number (141445360).

Almost surely, 2^1501052540 is an apocalyptic number.

1501052540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1501052540 is an abundant number, since it is smaller than the sum of its proper divisors (1893636100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1501052540 is a wasteful number, since it uses less digits than its factorization.

1501052540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773301 (or 5773299 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1501052540 is about 38743.4193121877. The cubic root of 1501052540 is about 1144.9819260700.

Adding to 1501052540 its reverse (452501051), we get a palindrome (1953553591).

The spelling of 1501052540 in words is "one billion, five hundred one million, fifty-two thousand, five hundred forty".