5201561910 has 64 divisors (see below), whose sum is σ = 13499384832. Its totient is φ = 1277707776.

The previous prime is 5201561909. The next prime is 5201561917. The reversal of 5201561910 is 191651025.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5201561917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84532 + ... + 132471.

It is an arithmetic number, because the mean of its divisors is an integer number (210927888).

Almost surely, 2^5201561910 is an apocalyptic number.

5201561910 is an abundant number, since it is smaller than the sum of its proper divisors (8297822922).

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

5201561910 is a wasteful number, since it uses less digits than its factorization.

5201561910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217077.

The product of its (nonzero) digits is 2700, while the sum is 30.

The square root of 5201561910 is about 72121.8545934587. The cubic root of 5201561910 is about 1732.6516532561.

The spelling of 5201561910 in words is "five billion, two hundred one million, five hundred sixty-one thousand, nine hundred ten".