1506210061 has 4 divisors (see below), whose sum is σ = 1510551072. Its totient is φ = 1501869052.

The previous prime is 1506210053. The next prime is 1506210067. The reversal of 1506210061 is 1600126051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1506210061 - 2³ = 1506210053 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 (1506210067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2169985 + ... + 2170678.

It is an arithmetic number, because the mean of its divisors is an integer number (377637768).

Almost surely, 2^1506210061 is an apocalyptic number.

It is an amenable number.

1506210061 is a deficient number, since it is larger than the sum of its proper divisors (4341011).

1506210061 is an equidigital number, since it uses as much as digits as its factorization.

1506210061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341010.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1506210061 is about 38809.9221978092. The cubic root of 1506210061 is about 1146.2917886890.

It can be divided in two parts, 15062100 and 61, that added together give a square (15062161 = 3881²).

The spelling of 1506210061 in words is "one billion, five hundred six million, two hundred ten thousand, sixty-one".