1580225 has 12 divisors (see below), whose sum is σ = 2023680. Its totient is φ = 1222800.

The previous prime is 1580213. The next prime is 1580251. The reversal of 1580225 is 5220851.

1580225 = T₂₂₆ + T₂₂₇ + ... + T₂₇₅.

It is not a de Polignac number, because 1580225 - 2⁸ = 1579969 is a prime.

It is a super-2 number, since 2×1580225² = 4994222101250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1580225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245 + ... + 1794.

It is an arithmetic number, because the mean of its divisors is an integer number (168640).

2^1580225 is an apocalyptic number.

It is an amenable number.

1580225 is a deficient number, since it is larger than the sum of its proper divisors (443455).

1580225 is a wasteful number, since it uses less digits than its factorization.

1580225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1580225 is about 1257.0700060060. The cubic root of 1580225 is about 116.4768568911.

The spelling of 1580225 in words is "one million, five hundred eighty thousand, two hundred twenty-five".