2623725 has 72 divisors (see below), whose sum is σ = 5446080. Its totient is φ = 1235520.

The previous prime is 2623723. The next prime is 2623757. The reversal of 2623725 is 5273262.

It is not a de Polignac number, because 2623725 - 2¹ = 2623723 is a prime.

It is a super-4 number, since 4×2623725⁴ (a number of 27 digits) contains 4444 as substring.

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

It is a d-powerful number, because it can be written as 2¹¹ + 6³ + 2¹⁹ + 3² + 7 + 2²¹ + 5 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2623721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 114064 + ... + 114086.

It is an arithmetic number, because the mean of its divisors is an integer number (75640).

2^2623725 is an apocalyptic number.

2623725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2623725 is an abundant number, since it is smaller than the sum of its proper divisors (2822355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2623725 is a wasteful number, since it uses less digits than its factorization.

2623725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 44 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 2623725 is about 1619.7916532690. The cubic root of 2623725 is about 137.9238710540.

Adding to 2623725 its reverse (5273262), we get a palindrome (7896987).

It can be divided in two parts, 26237 and 25, that added together give a palindrome (26262).

The spelling of 2623725 in words is "two million, six hundred twenty-three thousand, seven hundred twenty-five".