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2572061 = 2719491
BaseRepresentation
bin1001110011111100011101
311211200012112
421303330131
51124301221
6131043405
730601502
oct11637435
94750175
102572061
1114a7478
12a40565
136c093b
144ad4a9
1535c15b
hex273f1d

2572061 has 4 divisors (see below), whose sum is σ = 2581824. Its totient is φ = 2562300.

The previous prime is 2572057. The next prime is 2572079. The reversal of 2572061 is 1602752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2572061 - 22 = 2572057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4475 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (645456).

22572061 is an apocalyptic number.

It is an amenable number.

2572061 is a deficient number, since it is larger than the sum of its proper divisors (9763).

2572061 is an equidigital number, since it uses as much as digits as its factorization.

2572061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9762.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2572061 is about 1603.7646336043. The cubic root of 2572061 is about 137.0125727712.

The spelling of 2572061 in words is "two million, five hundred seventy-two thousand, sixty-one".

Divisors: 1 271 9491 2572061