2615542 has 4 divisors (see below), whose sum is σ = 3923316. Its totient is φ = 1307770.

The previous prime is 2615533. The next prime is 2615551. The reversal of 2615542 is 2455162.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2615533) and next prime (2615551).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653884 + ... + 653887.

It is an arithmetic number, because the mean of its divisors is an integer number (980829).

2^2615542 is an apocalyptic number.

2615542 is a deficient number, since it is larger than the sum of its proper divisors (1307774).

2615542 is a wasteful number, since it uses less digits than its factorization.

2615542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307773.

The product of its digits is 2400, while the sum is 25.

The square root of 2615542 is about 1617.2637385411. The cubic root of 2615542 is about 137.7803338544.

The spelling of 2615542 in words is "two million, six hundred fifteen thousand, five hundred forty-two".