4072812501 has 4 divisors (see below), whose sum is σ = 5430416672. Its totient is φ = 2715208332.

The previous prime is 4072812493. The next prime is 4072812509. The reversal of 4072812501 is 1052182704.

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 an interprime number because it is at equal distance from previous prime (4072812493) and next prime (4072812509).

It is not a de Polignac number, because 4072812501 - 2³ = 4072812493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072812509) 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, 678802081 + ... + 678802086.

It is an arithmetic number, because the mean of its divisors is an integer number (1357604168).

Almost surely, 2^4072812501 is an apocalyptic number.

It is an amenable number.

4072812501 is a deficient number, since it is larger than the sum of its proper divisors (1357604171).

4072812501 is a wasteful number, since it uses less digits than its factorization.

4072812501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357604170.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 4072812501 is about 63818.5905594914. The cubic root of 4072812501 is about 1596.9750791637.

The spelling of 4072812501 in words is "four billion, seventy-two million, eight hundred twelve thousand, five hundred one".