2525742 has 24 divisors (see below), whose sum is σ = 5676216. Its totient is φ = 841752.

The previous prime is 2525729. The next prime is 2525749. The reversal of 2525742 is 2475252.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2113 + ... + 3084.

It is an arithmetic number, because the mean of its divisors is an integer number (236509).

2^2525742 is an apocalyptic number.

2525742 is an abundant number, since it is smaller than the sum of its proper divisors (3150474).

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

2525742 is an equidigital number, since it uses as much as digits as its factorization.

2525742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214 (or 5202 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 2525742 is about 1589.2583175809. The cubic root of 2525742 is about 136.1851213152.

The spelling of 2525742 in words is "two million, five hundred twenty-five thousand, seven hundred forty-two".