2515542 has 16 divisors (see below), whose sum is σ = 5057472. Its totient is φ = 834120.

The previous prime is 2515537. The next prime is 2515553. The reversal of 2515542 is 2455152.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273 + ... + 2259.

It is an arithmetic number, because the mean of its divisors is an integer number (316092).

2^2515542 is an apocalyptic number.

2515542 is an abundant number, since it is smaller than the sum of its proper divisors (2541930).

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

2515542 is a wasteful number, since it uses less digits than its factorization.

2515542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203.

The product of its digits is 2000, while the sum is 24.

The square root of 2515542 is about 1586.0460270749. The cubic root of 2515542 is about 136.0015498670.

The spelling of 2515542 in words is "two million, five hundred fifteen thousand, five hundred forty-two".