1505245 has 16 divisors (see below), whose sum is σ = 2136960. Its totient is φ = 995904.

The previous prime is 1505243. The next prime is 1505261. The reversal of 1505245 is 5425051.

It is not a de Polignac number, because 1505245 - 2¹ = 1505243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1505243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274 + ... + 1756.

It is an arithmetic number, because the mean of its divisors is an integer number (133560).

2^1505245 is an apocalyptic number.

It is an amenable number.

1505245 is a deficient number, since it is larger than the sum of its proper divisors (631715).

1505245 is a wasteful number, since it uses less digits than its factorization.

1505245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1505245 is about 1226.8842651204. The cubic root of 1505245 is about 114.6046918495.

Subtracting from 1505245 its product of nonzero digits (1000), we obtain a triangular number (1504245 = T₁₇₃₄).

The spelling of 1505245 in words is "one million, five hundred five thousand, two hundred forty-five".