2565001534 has 8 divisors (see below), whose sum is σ = 3849036048. Its totient is φ = 1281989520.

The previous prime is 2565001493. The next prime is 2565001553. The reversal of 2565001534 is 4351005652.

2565001534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2565001496 and 2565001505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249322 + ... + 259405.

It is an arithmetic number, because the mean of its divisors is an integer number (481129506).

Almost surely, 2^2565001534 is an apocalyptic number.

2565001534 is a deficient number, since it is larger than the sum of its proper divisors (1284034514).

2565001534 is a wasteful number, since it uses less digits than its factorization.

2565001534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511250.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2565001534 is about 50645.8441927864. The cubic root of 2565001534 is about 1368.8710635007.

The spelling of 2565001534 in words is "two billion, five hundred sixty-five million, one thousand, five hundred thirty-four".