1520265 has 16 divisors (see below), whose sum is σ = 2490048. Its totient is φ = 791616.

The previous prime is 1520251. The next prime is 1520287. The reversal of 1520265 is 5620251.

It is not a de Polignac number, because 1520265 - 2⁸ = 1520009 is a prime.

It is a super-2 number, since 2×1520265² = 4622411340450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534 + ... + 1823.

It is an arithmetic number, because the mean of its divisors is an integer number (155628).

2^1520265 is an apocalyptic number.

1520265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1520265 is a deficient number, since it is larger than the sum of its proper divisors (969783).

1520265 is a wasteful number, since it uses less digits than its factorization.

1520265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1520265 is about 1232.9902676015. The cubic root of 1520265 is about 114.9846230228.

The spelling of 1520265 in words is "one million, five hundred twenty thousand, two hundred sixty-five".