1525140264 has 32 divisors (see below), whose sum is σ = 3820461120. Its totient is φ = 507365376.

The previous prime is 1525140257. The next prime is 1525140269. The reversal of 1525140264 is 4620415251.

It is not an unprimeable number, because it can be changed into a prime (1525140269) 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 7 ways as a sum of consecutive naturals, for example, 51097 + ... + 75240.

It is an arithmetic number, because the mean of its divisors is an integer number (119389410).

Almost surely, 2^1525140264 is an apocalyptic number.

It is an amenable number.

1525140264 is an abundant number, since it is smaller than the sum of its proper divisors (2295320856).

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

1525140264 is a wasteful number, since it uses less digits than its factorization.

1525140264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126849 (or 126845 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1525140264 is about 39053.0442347328. The cubic root of 1525140264 is about 1151.0740473643.

The spelling of 1525140264 in words is "one billion, five hundred twenty-five million, one hundred forty thousand, two hundred sixty-four".