2520251767 has 6 divisors (see below), whose sum is σ = 2770194224. Its totient is φ = 2291137860.

The previous prime is 2520251761. The next prime is 2520251791. The reversal of 2520251767 is 7671520252.

It is not a de Polignac number, because 2520251767 - 2⁷ = 2520251639 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 (2520251761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10414143 + ... + 10414384.

Almost surely, 2^2520251767 is an apocalyptic number.

2520251767 is a deficient number, since it is larger than the sum of its proper divisors (249942457).

2520251767 is a wasteful number, since it uses less digits than its factorization.

2520251767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20828549 (or 20828538 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 2520251767 is about 50202.1091887582. The cubic root of 2520251767 is about 1360.8637403551.

The spelling of 2520251767 in words is "two billion, five hundred twenty million, two hundred fifty-one thousand, seven hundred sixty-seven".