2520477 has 30 divisors (see below), whose sum is σ = 4004858. Its totient is φ = 1578528.

The previous prime is 2520457. The next prime is 2520481. The reversal of 2520477 is 7740252.

It can be written as a sum of positive squares in 3 ways, for example, as 910116 + 1610361 = 954^2 + 1269^2 .

It is not a de Polignac number, because 2520477 - 2¹⁰ = 2519453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2520477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 68103 + ... + 68139.

2^2520477 is an apocalyptic number.

2520477 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2520477 is a deficient number, since it is larger than the sum of its proper divisors (1484381).

2520477 is an equidigital number, since it uses as much as digits as its factorization.

2520477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2520477 is about 1587.6010204078. The cubic root of 2520477 is about 136.0904278936.

It can be divided in two parts, 25204 and 77, that added together give a square (25281 = 159²).

The spelling of 2520477 in words is "two million, five hundred twenty thousand, four hundred seventy-seven".